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- CODE 0 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A F/m = v/t
B 2F = mv 2 /x C 2x/t = at D v 2 t2 = x/a E v 2 /(t2 a2 ) = cos
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A The acceleration is positive as the ball rises, and it is negative as the ball falls. B The ball has a constant acceleration. C The acceleration is zero m/s2 at all times. D The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. E At no time is the velocity perpendicular to the acceleration. 4) B false true false false false
1)
D
false
false
false
true
false
5 pt A man with mass m =97.5 kg (weight = 214.5 lbs is walking towards a patio at 1.60 m/s (3.58 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 160.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 8.63 102 1.24 103 B E 9.75 102 1.41 103 C 1.10 103
5 pt A dolphin leaps out of the water at an angle of 32.8 above the horizontal. The horizontal component of the dolphin's velocity is 7.36 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
E 2.43 5.93 B 3.04 C 3.79 D 4.74
2) 5 pt
B
9.75E+02 [955.5,994.5] Sig 3 - 5
Unit: N
5)
D
4.74 [4.64833240207051,4.83806025521625] Sig 3 -
Due never
Vector A points in the y-direction and has length 13. Vector B points with = 44o from the x-axis and has length 11. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement III
B statements I and II C statements II and III D none of them are correct E they are all correct 80.760 129.347 C 94.490
3.A
D
69.026 110.553
B E
6)
A
true
false
false
false
false
3) A 69.026 [67.6453558198859,70.4063907513098]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
22 m/s, 45 north of east. 22 m/s, due north. 31 m/s, 45 south of west. 22 m/s, due west. 22 m/s, 45 south of east. false false true false false
7)
C
CODE - 0 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.40 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 6.13 1.87 101 B E 8.88 2.71 101 C 1.29 101
8)
D
1.87E+01 [18.3064,19.0536] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 1 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A
B C D E
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A
B
v 2 t2 = x/a 2F = mv 2 /x t = v/a F 2 = m2 a2 All the above are correct dimensionally true false false false false 4)
The ball has a constant acceleration. The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. C At the top of the flight, the velocity is zero. D The ball travels at constant speed. E The acceleration is positive as the ball rises, and it is negative as the ball falls. A true false false false false
1)
A
5 pt A man with mass m =70.0 kg (weight = 154.0 lbs is walking towards a patio at 2.20 m/s (4.92 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 140.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 3.52 10 8.27 102
2
5 pt A dolphin leaps out of the water at an angle of 36.2 above the horizontal. The horizontal component of the dolphin's velocity is 7.05 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
D 5.16 1.01 101 B E 6.45 1.26 101 C 8.06
B E
4.68 10 1.10 103
2
C
6.22 10
2
5) Unit: N
A
5.16 [5.0566235986819,5.2630163986281] Sig 3 - 5
2) 5 pt
E
1.10E+03 [1078,1122] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 15. Vector B points with = 39o from the x-axis and has length 11. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement II
B statement I C statement III D statements I and III E statements I and II
6) 3.A
D 32.674 99.610 B E 47.377 144.435 C 68.697
C
false
false
true
false
false
3) C 68.697 [67.3229529724799,70.0708286040096]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
22 m/s, 45 north of west. 22 m/s, due east. 31 m/s, 45 south of west. 22 m/s, due north. 31 m/s, 45 north of east. false false true false false
7)
C
CODE - 1 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 3.80 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.50 101 2.17 101 B E 1.70 101 2.45 101 C 1.92 101
8)
B
1.70E+01 [16.66,17.34] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 2 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A t = v/a
B v 2 t2 = x/a C F/m = v/t D 2x/t = at E All the above are correct dimensionally
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A The acceleration is positive as the ball rises, and it is negative as the ball falls. B At the top of the flight, the velocity is zero. C The ball has a constant acceleration. D The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. E At no time is the velocity perpendicular to the acceleration. 4) C false false true false false
1)
B
false
true
false
false
false
5 pt A man with mass m =71.1 kg (weight = 156.4 lbs is walking towards a patio at 1.40 m/s (3.13 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 190.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 2.49 102 7.60 102 B E 3.61 102 1.10 103 C 5.24 102
5 pt A dolphin leaps out of the water at an angle of 37.0 above the horizontal. The horizontal component of the dolphin's velocity is 7.17 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
D 3.73 1.14 101 B E 5.40 1.65 101 C 7.83
2) 5 pt
C
5) B 5.40 [5.29492288845229,5.51104219002177] Sig 3 5.24E+02 [513.416842105263,534.372631578947] Sig 3 - 5 Unit: N 5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
Due never
Vector A points in the y-direction and has length 12. Vector B points with = 33o from the x-axis and has length 12. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
6. A
statement III
B statements I and II C statements I and III D none of them are correct E they are all correct 54.425 78.529 C 61.500
3.A
D
48.164 69.495
B E
6)
A
true
false
false
false
false
3) C 61.500 [60.27,62.73]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
31 m/s, 45 south of west. 22 m/s, due south. 31 m/s, 45 north of east. 22 m/s, 45 south of east. 22 m/s, due north. true false false false false
7)
A
CODE - 2 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.00 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.32 101 3.11 101 B E 1.76 101 4.13 101 C 2.34 101
8)
B
1.76E+01 [17.2088,17.9112] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 3 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A
B C D E
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A The acceleration is positive as the ball rises, and it is negative as the ball falls. B At the top of the flight, the acceleration is zero. C The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. D The ball has a constant acceleration. E At no time is the velocity perpendicular to the acceleration. 4) D false false false true false
v 2 /(t2 a2 ) = cos F 2 = m2 a2 2F = mv 2 /x t = v/a v 2 t2 = x/a false false false false true
1)
E
5 pt A man with mass m =87.6 kg (weight = 192.7 lbs is walking towards a patio at 1.90 m/s (4.25 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 120.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 3.14 102 9.57 102 B E 4.55 102 1.39 103 C 6.60 102
5 pt A dolphin leaps out of the water at an angle of 38.0 above the horizontal. The horizontal component of the dolphin's velocity is 7.68 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
E 1.97 8.70 B 2.85 C 4.14 D 6.00
2) 5 pt
E
1.39E+03 [1359.26,1414.74] Sig 3 - 5
Unit: N
5)
D
6.00 [5.88026813934016,6.12027908380302] Sig 3 -
Due never
Vector A points in the y-direction and has length 12. Vector B points with = 25o from the x-axis and has length 12. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement III
B statements II and III C statement II D statements I and III E they are all correct 42.005 67.275 C 49.145
3.A
D
35.901 57.500
B E
6)
A
true
false
false
false
false
3) D 57.500 [56.35,58.65]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
31 m/s, 45 north of west. 22 m/s, due north. 31 m/s, 45 north of east. 22 m/s, 45 south of west. 31 m/s, 45 south of west. false false false false true
7)
E
CODE - 3 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.40 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.87 101 4.39 101 B E 2.48 101 5.84 101 C 3.30 101
8)
A
1.87E+01 [18.3064,19.0536] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 4 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A
B C D E
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A The acceleration is positive as the ball rises, and it is negative as the ball falls. B The ball has a constant acceleration. C At the top of the flight, the acceleration is zero. D The acceleration is zero m/s2 at all times. E At the top of the flight, the velocity is zero. 4) B false true false false false
v 2 t2 = x/a F 2 = m2 a2 t = v/a v 2 /(t2 a2 ) = cos All the above are correct dimensionally true false false false false
1)
A
5 pt A man with mass m =96.4 kg (weight = 212.1 lbs is walking towards a patio at 2.00 m/s (4.47 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 130.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 9.49 102 1.85 103 B E 1.19 103 2.32 103 C 1.48 103
5 pt A dolphin leaps out of the water at an angle of 35.8 above the horizontal. The horizontal component of the dolphin's velocity is 7.92 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
D 3.23 7.60 B E 4.29 1.01 101 C 5.71
5)
C
5.71 [5.59784246798034,5.82632583402036] Sig 3 -
5 pt A person throws a stone horizontally off a 100 m cliff 1.48E+03 [1453.41538461538,1512.73846153846] Sig 3 a speed Unit: m/s. At the same time, a second stone with - 5 of 25 N is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? 5 pt Due never I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time. Vector A points in the y-direction and has length 16. Vector B points with = 41o 6. A statement I from the x-axis and B statements II and III has length 12. Find C statement III the direction (in deD statement II grees relative to the E they are all correct x-axis) of the sum of 6) C false false true false false these two vectors. 2) C 5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A 22 m/s, due south.
B 22 m/s, 45 south of east. C 22 m/s, due east. D 31 m/s, 45 south of west. E 31 m/s, 45 north of west.
3.A
D
61.261 88.393
B E
69.225 99.884
C
78.224
3) B 69.225 [67.8404151379024,70.6094116741433]
7)
D
false
false
false
true
false
CODE - 4 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 3.60 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.01 101 1.45 101 B E 1.14 101 1.64 101 C 1.29 101
8)
E
1.64E+01 [16.1112,16.7688] Sig 3 5
MSU
Unit: - m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 5 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A
B C D E
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A
B
v 2 t2 = x/a F/m = v/t 2x/t = at 2F = mv 2 /x v 2 /(t2 a2 ) = cos true false false false false 4)
At the top of the flight, the velocity is zero. At no time is the velocity perpendicular to the acceleration. C The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. D The ball travels at constant speed. E The ball has a constant acceleration. E false false false false true
1)
A
5 pt A man with mass m =70.0 kg (weight = 154.0 lbs is walking towards a patio at 1.30 m/s (2.91 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 160.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 4.28 102 1.01 103 B E 5.69 102 1.34 103 C 7.56 102
5 pt A dolphin leaps out of the water at an angle of 37.6 above the horizontal. The horizontal component of the dolphin's velocity is 7.75 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
D 5.97 1.40 101 B E 7.94 1.87 101 C 1.06 101
5) Unit: N
A
5.97 [5.84893739138862,6.08766952981264] Sig 3 -
2) 5 pt
B
5.69E+02 [557.375,580.125] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 14. Vector B points with = 30o from the x-axis and has length 11. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement I
B statements I and II C statement III D statement II E they are all correct
6) 3.A
D 44.330 63.963 B E 50.093 72.278 C 56.605
C
false
false
true
false
false
3) D 63.963 [62.6839702681008,65.2424996667988]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B 22 m/s, 45 C 31 m/s, 45 D 31 m/s, 45 E 22 m/s, due
22 m/s, due east. south of east. north of east. south of west. north. false false false true false
7)
D
CODE - 5 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.20 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.13 101 1.81 101 B E 1.32 101 2.12 101 C 1.55 101
8)
D
1.81E+01 [17.7576,18.4824] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 6 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A 2x/t = at
B v 2 /(t2 a2 ) = cos C 2F = mv 2 /x D F 2 = m2 a2 E v 2 t2 = x/a
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A
B
The ball travels at constant speed. The acceleration is positive as the ball rises, and it is negative as the ball falls. C The ball has a constant acceleration. D At the top of the flight, the velocity is zero. E At no time is the velocity perpendicular to the acceleration. C false false true false false
4) false true
1)
E
false
false
false
5 pt A man with mass m =84.3 kg (weight = 185.5 lbs is walking towards a patio at 1.90 m/s (4.25 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 200.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 6.41 102 1.25 103 B E 8.01 102 1.56 103 C 1.00 103
5 pt A dolphin leaps out of the water at an angle of 34.9 above the horizontal. The horizontal component of the dolphin's velocity is 7.09 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
E 3.17 7.73 B 3.96 C 4.95 D 6.18
5)
C
4.95 [4.84713145798618,5.04497355831214] Sig 3 -
2) 5 pt
B
8.01E+02 [784.833,816.867] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 18. Vector B points with = 38o from the x-axis and has length 16. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
Unit: N 5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement I
B statement III C statements I and II D statements II and III E they are all correct
6)
33.609 65.643 C 42.012
B
false
true
false
false
false
3.A
D
26.888 52.515
B E
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A 22 m/s, due south.
B 31 m/s, 45 north of west. C 22 m/s, 45 south of west. D 31 m/s, 45 south of west. E 22 m/s, 45 north of west.
3) E 65.643 [64.330506360162,66.956241313638]
7)
D
false
false
false
true
false
CODE - 6 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.00 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.76 101 2.53 101 B E 1.98 101 2.86 101 C 2.24 101
8)
A
1.76E+01 [17.2088,17.9112] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 7 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A 2x/t = at
B v 2 /(t2 a2 ) = cos C v 2 t2 = x/a D F 2 = m2 a2 E All the above are correct dimensionally
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A
B C
The ball travels at constant speed. The acceleration is zero m/s2 at all times. The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. D At the top of the flight, the acceleration is zero. E The ball has a constant acceleration. E false false false false true
4)
1)
C
false
false
true
false
false 5 pt A dolphin leaps out of the water at an angle of 33.0 above the horizontal. The horizontal component of the dolphin's velocity is 7.44 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
E 3.09 7.55 B 3.87 C 4.83 D 6.04
5 pt A man with mass m =81.0 kg (weight = 178.2 lbs is walking towards a patio at 1.40 m/s (3.13 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 160.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 7.09 102 1.14 103 B E 8.29 102 1.33 103 C 9.70 102
5)
C
4.83 [4.73496064352169,4.92822434325727] Sig 3 -
2) 5 pt
A
7.09E+02 [694.575,722.925] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 10. Vector B points with = 49o from the x-axis and has length 14. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
Unit: N 5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement III
B statements I and III C statements II and III D statements I and II E statement II
6)
65.934 105.601 C 77.143
A
true
false
false
false
false
3.A
D
56.354 90.257
B E
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
3) B 65.934 [64.6155893356632,67.2529603289555]
22 m/s, 45 north of east. 31 m/s, 45 south of east. 22 m/s, 45 north of west. 22 m/s, due south. 31 m/s, 45 south of west. false false false false true
7)
E
CODE - 7 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.00 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 1.50 101 2.40 101 B E 1.76 101 2.81 101 C 2.05 101
8)
B
1.76E+01 [17.2088,17.9112] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 8 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A
B C D E
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A The acceleration is zero m/s2 at all times. B At the top of the flight, the acceleration is zero. C The acceleration starts at 9.8 m/s2 and drops to some constant lower value as the ball approaches the ground. D The ball has a constant acceleration. E The acceleration is positive as the ball rises, and it is negative as the ball falls. D false false false true false
v 2 /(t2 a2 ) = cos t = v/a 2x/t = at t2 = 2x/a v 2 t2 = x/a false false false false true 4)
1)
E
5 pt A man with mass m =82.1 kg (weight = 180.6 lbs is walking towards a patio at 2.10 m/s (4.70 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 150.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 1.15 10 2.70 103
3
5 pt A dolphin leaps out of the water at an angle of 33.0 above the horizontal. The horizontal component of the dolphin's velocity is 7.01 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
E 3.16 5.14 B 3.57 C 4.03 D 4.55
B E
1.53 10 3.60 103
3
C
2.03 10
3
5)
D
4.55 [4.46130028374826,4.64339417288084] Sig 3 -
2) 5 pt
A
1.15E+03 [1126.412,1172.388] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 12. Vector B points with = 36o from the x-axis and has length 13. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
Unit: N 5 pt A person throws a stone horizontally off a 100 m cliff with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statement I
B statement II C statement III D statements II and III E statements I and II
6) 3.A
D 31.658 61.832 B E 39.573 77.291 C 49.466
C
false
false
true
false
false
3) D 61.832 [60.5957670290264,63.0690636424561]
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A 22 m/s, due west.
B 31 m/s, 45 south of east. C 22 m/s, 45 south of west. D 22 m/s, 45 south of east. E 31 m/s, 45 south of west.
7)
E
false
false
false
false
true
CODE - 8 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 4.00 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 7.19 1.40 101 B E 8.99 1.76 101 C 1.12 101
8)
E
1.76E+01 [17.2088,17.9112] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License
CODE - 9 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
1
Name: 5 pt Which of the following equations must be incorrect by dimensional analysis? (x = distance, v = velocity, a = acceleration, t = time, m = mass, F = force) 1. A 2x/t = at
B v 2 t2 = x/a C 2F = mv 2 /x D F/m = v/t E t2 = 2x/a
5 pt A tennis ball is lobbed over the net. Ignore air resistance. Which of the following is true during the flight? 4. A
B
At the top of the flight, the acceleration is zero. At no time is the velocity perpendicular to the acceleration. C The acceleration is zero m/s2 at all times. D The ball has a constant acceleration. E The acceleration is positive as the ball rises, and it is negative as the ball falls. D false false false true false
4) false false false
1)
B
false
true
5 pt A man with mass m =74.4 kg (weight = 163.7 lbs is walking towards a patio at 2.20 m/s (4.92 mph) when, at the last moment, he realizes the sliding glass door is closed. He puts out his hand suddenly to stop himself, and comes to a halt in 150.0ms. Find the magnitude of the average force exerted on the door by his hand. (in N) 2.A
D 4.47 102 8.73 102 B E 5.59 102 1.09 103 C 6.98 102
5 pt A dolphin leaps out of the water at an angle of 37.7 above the horizontal. The horizontal component of the dolphin's velocity is 7.11 m/s. Calculate the magnitude of the vertical component of the velocity. (in m/s) 5.A
D 5.50 1.07 101 B E 6.87 1.34 101 C 8.59
5)
A
5.50 [5.3853278284405,5.60513712756052] Sig 3 - 5
2) 5 pt
E
1.09E+03 [1069.376,1113.024] Sig 3 - 5
Due never
Vector A points in the y-direction and has length 14. Vector B points with = 33o from the x-axis and has length 10. Find the direction (in degrees relative to the x-axis) of the sum of these two vectors.
Unit: 5 pt A person throws a stone horizontally off a 100 m cliff N with a speed of 25 m/s. At the same time, a second stone is dropped from rest off the same cliff. Ignore air resistance. Which of the following statements are true? I. Both stones travel the same horizontal distance. II. Both stones strike the water with equal velocity. III. Both stones reach the water in the same amount of time.
6. A
statements II and III
B statement III C statements I and III D none of them are correct E they are all correct
6)
21.869 66.671 C 31.710
B
false
true
false
false
false
3.A
D
15.082 45.980
B E
5 pt A car travels due east at 22 m/s. It makes a turn due south and continues to travel at 22 m/s. What is the change in the velocity of the car? 7. A
B C D E
3) E 66.671 [65.3373461646394,68.004176620339]
31 m/s, 45 south of west. 22 m/s, 45 south of west. 22 m/s, due east. 22 m/s, 45 south of east. 22 m/s, due north. true false false false false
7)
A
CODE - 9 - 2084 10710 PHYS 0110 Introduction Midterm Exam 1
3
Vd
Speed, m/s
Vc
0 0 1 2 3
5 pt
4 Time, s
5
6
7
8
The Graph above shows the speed of a car traveling in a straight line as a function of time. The value of Vc is 3.80 m/s and the value of Vd is 5.30 m/s Calculate the distance traveled by the car from a time of 1.20 to 5.20 seconds. (in m) 8.A
D 8.09 2.46 101 B E 1.17 101 3.57 101 C 1.70 101
8)
C
1.70E+01 [16.66,17.34] Sig 3 - 5
MSU
Unit: m
Printed from LON-CAPA
Licensed under GNU General Public License

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