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Unformatted text preview: 2007 Tests
PHYSICS HONORS
x t v v t 1 d o a2 vt t 2 a Distributed by Tyrone G Carter CH. 3 TEST: TWODIMENSIONAL KINEMATICS form 1 Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. v3 v2 v3 1 1 2
1 d f a2 vt t 2
A A A x y v12 v21
1 d f ot vv 2
2 2 2 c b s a b 2 c ao vf v a t o
2 vf 2 ax v2 o g 9 0 s[ ] . m2 D 8 A guided missile is initially moving when it begins to accelerate. After twenty seconds of acceleration, the missile's displacement is 12.0 km [W20ºS] and its final velocity is 500 m/s [W]. 1) What was the initial direction of the missile’s motion? gun 200 m A gun is set up on top of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 150 m/s [N35ºU]. The projectile lands at the bottom of the plateau. 2) What is the range of the projectile? A jetliner is moving at 250 m/s [E30ºS] relative to the air. Because of high altitude winds, a radar station on the ground measures the jetliner’s velocity to be 100 m/s [E]. 3) What is the speed of the wind? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 3.0 m/s [N]. At time t = 0.15 s, the plane is moving at 3.0 m/s [N30ºE]. 4) What was the direction of the average acceleration of the plane during this time? A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 60 m/s [R50ºU] that strikes the far wall of the canyon. cannon 5) What is the minimum speed of the projectile during its flight? 6) At what speed does the projectile strike the canyon wall? 100 m 150 m 200 m 200 the A r iver flows south at 1.20 m/s. Starting on the east bank of the river, a girl swims at 1.40 m/s relative to the water and moves directly west asm crosses the river, without moving downstream at all. The girl reaches the opposite shore in one minute. 7) How wide is the river? A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at the same speed but at different angles and travel along the parabolic trajectories shown at right. 8) a) Which of the two enemy ships gets hit first? Explain your an swer. b) Which of the two shells has the smaller minimum velocity during its flight? Explain your answer. c) Which of the two shells has the greatest change in velocity during its flight? Explain your answer. projectile path gun A cannon is placed on a long sloping hillside, as shown at right. The hillside makes an angle of 20º to the horizontal. The cannon launches a projectile with an initial velocity of 100 m/s [L20ºU].
Distributed by Tyrone G Carter d
20º 9) What distance d does the projectile travel? Distributed by Tyrone G Carter PHYSICS HONORS
x t CH. 3 TEST: TWODIMENSIONAL KINEMATICS
v t 1 d o a2 vt t 2 a form 2 Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. v v3 v2 v3 1 1 2
1 d f a2 vt t 2
A A A x y v12 v21
1 d f ot vv 2
2 2 2 c b s a b 2 c ao vf v a t o
2 vf 2 ax v2 o g 9 0 s[ ] . m2 D 8 A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 65 m/s [R40ºU] that strikes the far wall of the canyon. cannon 1) At what speed does the projectile strike the canyon wall? 100 m 150 m A r iver flows south at 1.20 m/s. Starting on the east bank of the river, a girl swims at 1.50 m/s relative to the water and moves directly west as the crosses the river, without moving downstream at all. The girl reaches the opposite shore in one minute. 200 m 2) How wide is the river? A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at the same speed but at different angles and travel along the parabolic trajectories shown at right. 3) 200 m a) Which of the two enemy ships gets hit first? Explain your answer. b) Which of the two shells has the smaller minimum velocity during its flight? Explain your answer. c) Which of the two shells has the greatest change in velocity during its flight? Explain your answer. A guided missile is initially moving when it begins to accelerate. After twenty seconds of acceleration, the missile's displacement is 12.0 km [W20ºS] and its final velocity is 800 m/s [W]. 4) What was the initial direction of the missile’s motion? gun 200 m A gun is set up on top of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 250 m/s [N35ºU]. The projectile lands at the bottom of the plateau. 5) 6) What is the minimum speed of the projectile during its flight? What is the range of the projectile? A jetliner is moving at 250 m/s [E40ºN] relative to the air. Because of high altitude winds, a radar station on the ground measures the jetliner’s velocity to be 100 m/s [E]. 7) What is the speed of the wind? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 3.0 m/s [N]. At time t = 0.12 s, the plane is moving at 3.0 m/s [N30ºE]. 8) What was the direction of the average acceleration of the plane during this time? projectile path gun A cannon is placed on a long sloping hillside, as shown at right. The hillside makes an angle of 20º to the horizontal. The cannon launches a projectile with an initial velocity of 100 m/s [L30ºU]. 9) What distance d does the projectile travel? 20º
Distributed by Tyrone G Carter d 2006 Tests
PHYSICS HONORS
x t v v t 1 d o a2 vt t 2 a Distributed by Tyrone G Carter CH. 3 TEST: TWODIMENSIONAL KINEMATICS version 1 Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. v3 v2 v3 1 1 2
1 d f a2 vt t 2
A A A x y v12 v21
1 d f ot vv 2
2 2 2 c b s a b 2 c ao vf v a t o
2 vf 2 ax v2 o g 9 0 s[ ] . m2 D 8 A guided missile is initially moving at 500 m/s [W] when it begins to accelerate. After twenty seconds of acceleration, the missile's displacement is 12.0 km [W20ºS]. 1) In what direction is the missile moving after the twentysecond acceleration? A gun is set up at the base of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 150 m/s [N35ºU]. The projectile lands on top of the plateau. 2) What is the range of the projectile? gun 200 m A jetliner is moving at 250 m/s [E30ºS] relative to the air. Because of high altitude winds, a radar station on the ground measures the jetliner’s velocity to be 180 m/s [E]. 3) What is the speed of the wind? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 3.0 m/s [N]. At time t = 0.15 s, the plane is moving at 3.0 m/s [N40ºE]. 4) What was the magnitude of the average acceleration of the plane during this time? A river flows south at 1.20 m/s. Starting on the east bank of the river, a girl swims at 1.40 m/s [W30°N] relative to the water. The girl reaches the opposite shore in one minute. 5) How far downstream does she travel as she crosses the river? cannon 100 m 150 m A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 57 m/s [R46ºU] that strikes the far wall of the canyon. 6) At what speed does the projectile strike the canyon wall? 200 m 200 m A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at different angles and travel along the parabolic trajectories shown at right. 7) a) Which of the two enemy ships gets hit first? Explain your answer. b) Which of the two shells has the greatest change in velocity during its flight? Explain your answer. At time t = 0, ball A is thrown horizontally out of the window of a tall building. One second later (at t = 1 s), ball B is thrown from the same point with the same initial velocity. 8) a) Will the difference in the speeds of the two balls increase, decrease, or remain the same?. Explain briefly. b) Will the distance between the two balls increase, decrease, or remain the same? Explain briefly. c) If the first ball strikes the ground at t = 10 s, when does the second ball hit the ground? Explain briefly. Distributed by Tyrone G Carter Distributed by Tyrone G Carter A cannon fires a projectile at 350 m/s [E48°U] at time t = 0. A few seconds later, the cannon fires a second projectile at the same initial speed. The ground is flat. The two shells strike the same target at exactly the same time. 9) At what time t was the second projectile fired from the cannon? PHYSICS HONORS
x t CH. 3 TEST: TWODIMENSIONAL KINEMATICS
v t 1 d o a2 vt t 2 a version 2 Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. v v3 v2 v3 1 1 2
1 d f a2 vt t 2
A A A x y v12 v21
1 d f ot vv 2
2 2 2 c b s a b 2 c ao vf v a t o
2 vf 2 ax v2 o g 9 0 s[ ] . m2 D 8 A river flows south at 1.40 m/s. Starting on the east bank of the river, a girl swims at 1.20 m/s [W30°N] relative to the water. The girl reaches the opposite shore in one minute. 1) How far downstream does she travel as she crosses the river? cannon 100 m 150 m A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 57 m/s [R42ºU] that strikes the far wall of the canyon. 2) At what speed does the projectile strike the canyon wall? 200 m 200 m A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at different angles and travel along the parabolic trajectories shown at right. 3) a) Which of the two enemy ships gets hit first? Explain your answer. b) Which of the two shells has the greatest change in velocity during its flight? Explain your answer. At time t = 0, ball A is thrown horizontally out of the window of a tall building. One second later (at t = 1 s), ball B is thrown from the same point with the same initial velocity. 4) a) Will the difference in the speeds of the two balls increase, decrease, or remain the same?. Explain briefly. b) Will the distance between the two balls increase, decrease, or remain the same? Explain briefly. c) If the first ball strikes the ground at t = 10 s, when does the second ball hit the ground? Explain briefly. A guided missile is initially moving at 500 m/s [W20ºS] when it begins to accelerate. After twenty seconds of acceleration, the missile's displacement is 12.0 km [W]. 5) In what direction is the missile moving after the twentysecond acceleration? A gun is set up at the base of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 170 m/s [N35ºU]. The projectile lands on top of the plateau. 6) What is the range of the projectile? gun 200 m A jetliner is moving at 220 m/s [E30ºS] relative to the air. Because of high altitude winds, a radar station on the ground measures the jetliner’s velocity to be 180 m/s [E]. 7) What is the speed of the wind? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 3.0 m/s [N]. At time t = 0.15 s, the plane is moving at 3.0 m/s [N35ºE].
Distributed by Tyrone G Carter 8) What was the magnitude of the average acceleration of the plane during this time? Distributed by Tyrone G Carter A cannon fires a projectile at 340 m/s [E47°U] at time t = 0. A few seconds later, the cannon fires a second projectile at the same initial speed. The ground is flat. The two shells strike the same target at exactly the same time. 9) At what time t was the second projectile fired from the cannon? PHYSICS HONORS
x t CH. 3 TEST: TWODIMENSIONAL KINEMATICS
v t 1 d o a2 vt t 2 a version 3 Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. v v3 v2 v3 1 1 2
1 d f a2 vt t 2
A A A x y v12 v21
1 d f ot vv 2
2 2 2 c b s a b 2 c ao vf v a t o
2 vf 2 ax v2 o g 9 0 s[ ] . m2 D 8 A river flows south. Starting on the east bank of the river, a girl swims at 1.20 m/s [W30°N] relative to the water. The girl reaches the opposite shore in one minute and travels 40 meters downstream. 1) At what speed does the river flow? cannon 100 m A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 57 m/s [R42ºU] that strikes the far wall of the canyon. 2) What is the magnitude of the projectile’s displacement? 200 m 200 m 150 m A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at different angles and travel along the parabolic trajectories shown at right. 3) a) Which of the two enemy ships gets hit first? Explain your answer. b) Which of the two shells has larger acceleration during its flight? Explain your answer. At time t = 0, ball A is thrown horizontally out of the window of a tall building. One second later (at t = 1 s), ball B is thrown from the same point with the same initial velocity. 4) a) Will the difference in the speeds of the two balls increase, decrease, or remain the same? Explain briefly. b) Will the distance between the two balls increase, decrease, or remain the same? Explain briefly. A guided missile is initially moving at 500 m/s [W20ºS] when it begins to accelerate. After twenty seconds of acceleration, the missile's displacement is 12.0 km [W]. 5) In what direction did the missile accelerate? A gun is set up at the base of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 170 m/s [N35ºU]. The projectile lands on top of the plateau. 6) What is the speed of the projectile just before it strikes the top of the plateau? gun 200 m A jetliner is moving at 220 m/s [S30ºW] relative to the air. Because of high altitude winds, a radar station on the ground measures the jetliner’s velocity to be 180 m/s [S]. 7) In what direction does the wind blow? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 3.5 m/s [N]. At time t = 0.15 s, the plane is moving at 3.5 m/s [N35ºE].
Distributed by Tyrone G Carter 8) What was the direction of the average acceleration of the toy plane during this time? Distributed by Tyrone G Carter A cannon fires a projectile at 340 m/s [E57°U] at time t = 0. A few seconds later, the cannon fires a second projectile at the same initial speed. The ground is flat. The two shells strike the same target at exactly the same time. 9) At what time t was the second projectile fired from the cannon? 2004 Tests
PHYSICS HONORS CHAPTER 2 TEST: ONEDIMENSIONAL KINEMATICS
x t v t 1 x vot at 2 2 a avg g 9.81 m s 2 down VERSION 1 Questions 18 are worth 10 points each. Question 9 is worth 20 points. Write answers using three significant figures. Use scientific notation for answers larger than 100 and less than 0.100. Include magnitude and direction for all vectors. v avg x v f vo at
2 v 2 vo 2ax f 1 v f vo t 2 1 x v f t at 2 2 A car changes velocity from an initial value of 14.0 m/s to the right to a final value of 5.00 m/s to the left. The change in velocity takes 4.00 s to complete. 1) What is the acceleration of the car during this time? A boy standing at the edge of a cliff throws a rock straight up into the air. The rock has an initial speed of 10.0 m/s. Some time later, the rock is a vertical distance of 15.0 m below its starting point. 2) 3) What is the velocity of the rock at that instant? What was the maximum altitude of the rock, relative to its starting point? A track star has just completed her race, and is traveling at 7.50 m/s to the right. She uniformly accelerates to a stop as she runs an additional 25.0 m to the right. 4) How long did it take her to stop? An airplane begins to accelerate at 5.00 m/s2 to the north. After one minute of acceleration, the airplane has moved 16.0 km northward in a straight line. 5) What was the velocity of the airplane when it began to accelerate? The driver of a car sees a dog run into the street ahead of him, and he hits the brakes. The car skids to a stop over a distance of 1.10 x 102 m as the brakes accelerate the car at 9.50 m/s2. 6) How long does it take the car to skid to a stop?
v (m/s) 7 m/s The graph at right depicts the northward velocity of a skateboard as a function of time. 7) What is the acceleration of the skateboard?
3 m/s
Distributed by Tyrone G Carter 6s t (s) 8) What is the displacement of the skateboard during the time interval shown on the graph? Distributed by Tyrone G Carter You are looking out of 2.50 m tall window when you see a rock fall downward. You saw that it took the rock 0.150 s to move from the top of the window to the bottom. You find out later that it was dropped from the roof. 9) From how far above the top of the window was the rock released? CH. 3 TEST: TWODIMENSIONAL KINEMATICS version PHYSICS HONORS 1 v x t Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. a v t v13 v12 v23
1 s v f t at 2 2 g 9.80 m s 2 [D]
s 1 v f vo t 2 A Ax Ay v f vo at 1 s vot at 2 2 v 2 v 2 2ax f o A guided missile is initially moving at 500 m/s [W] when it begins to accelerate at 20.0 m/s2 [S]. 1) What is the displacement of the missile after 20 seconds? A gun is set up at the top of a tower that is 500 m high. The gun fires a projectile with an initial velocity of 150 m/s [N35ºU]. 2) 3) 4) 5) What is the horizontal speed of the projectile 4.0 seconds after it was launched? What is the direction of the projectile’s motion when it has moved a horizontal distance of 700 m? What is the projectile’s maximum altitude relative to the gun? For how long does the projectile move through the air before striking the ground? A jetliner is moving at 250 m/s [E30ºS] relative to the air. A radar station on the ground measures the jetliner’s velocity to be 180 m/s [E]. 6) What is the direction of the wind? A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 5.0 m/s [N]. At time t = 0.25 s, the plane is moving at 5.0 m/s [E]. 7) What was the average acceleration of the plane during this time? A river flows south at 1.20 m/s. Starting on the east bank of the river, a girl swims at 1.40 m/s [W30°N] relative to the water. The girl reaches the opposite shore in one minute. 8) How wide is the river?
cannon
Distributed by Tyrone G Carter 100 m 150 m Distributed by Tyrone G Carter A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 57 m/s [R46ºU]. 9) What is the velocity of the projectile when it strikes the ground in or around the canyon? 2005 Tests
PHYSICS HONORS 1 CHAPTER 2 TEST: LINEAR MOTION VERSION Questions 18 are worth 10 points each. Question 9 is worth 20 points. Write answers using three significant figures. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. The motion of an object toward the north is plotted on the velocitytime graph shown at right. 1) a) Describe the acceleration, and explain how it can be determined from this graph. Be specific. b) Explain how the total displacement of the object can be determined from this graph. Be specific. A car changes velocity from an initial value of 14.0 m/s to the right to a final value of 5.00 m/s to the left. The change in velocity takes 4.00 s to complete. 2) What is the acceleration of the car during this time? A boy standing at the edge of a cliff throws a rock straight up into the air. The rock has an initial speed of 10.0 m/s. Some time later, the rock is a vertical distance of 50.0 m below its starting point.
Distributed by Tyrone G Carter 3) What is the velocity of the rock at that instant? Distributed by Tyrone G Carter A track star has just completed her race, and is traveling at 7.50 m/s to the right. She uniformly accelerates to a stop as she runs an additional 25.0 m to the right. 4) How long did it take her to travel the additional 25.0 m? An airplane begins to accelerate at 5.00 m/s2 to the north. After one minute of acceleration, the airplane has moved 16.0 km. 5) What was the velocity of the airplane when it began to accelerate? The driver of a car sees a dog run into the street ahead of him, and he hits the brakes. The car skids to a stop over a distance of 110 m as the brakes accelerate the car at 9.50 m/s 2. 6) How long does it take the car to skid to a stop? You are looking at a data table containing velocity and acceleration data for a moving object. There is a range of times for which both the velocity and the acceleration of the object are negative. 7) Give an example of a reallife situation that could produce this data. Explain your answer. Consider the motion diagrams of three objects, shown at right. 8) a) Which object has the greatest average speed? Why?
Distributed by Tyrone G Carter b) Which object has the greatest instantaneous speed? Why? c) What reallife situation could produce a motion diagram similar to that of object C? Be specific. Distributed by Tyrone G Carter A police car at moving south at 10 m/s is passed by a speeder traveling south down a straight road at a constant rate of 35 m/s. The police car immediately begins to accelerate to the south at 1.80 m/s2. Eventually the police car catches up to the speeder. 9) W hat is the police car’s velocity at the instant it catches up to the speeder? PHYSICS HONORS version 1 CH. 3 TEST: TWODIMENSIONAL KINEMATICS Show your work. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Write answers using three significant figures. A guided missile is initially moving at 500 m/s [W] when it begins to accelerate. Twenty seconds later, the missile is moving at 600 m/s [W30ºS]. 1) What is the displacement of the missile during the 20second acceleration? A gun is set up at the base of a plateau that is 200 m high, as shown at right. The gun fires a projectile with an initial velocity of 150 m/s [N35ºU]. The projectile lands on top of the plateau. 2) W hat is the projectile’s speed when it strikes the top of the plateau? A jetliner is moving at 250 m/s [E30ºS] relative to the air. A radar station on the ground measures the jetliner’s velocity to be 180 m/s [E]. 3) What is the direction of the wind? Distributed by Tyrone G Carter A boy is playing with a toy airplane attached to a string. At time t = 0 s, the toy plane is moving at 5.0 m/s [N]. At time t = 0.15 s, the plane is moving at 5.0 m/s [N40ºE]. 4) Distributed by Tyrone G Carter What was the magnitude of the average acceleration of the plane during this time? A river flows south at 1.20 m/s. Starting on the east bank of the river, a girl swims at 1.40 m/s [W30°N] relative to the water. The girl reaches the opposite shore in one minute. 5) How wide is the river? A cannon is set up near the edge of a wide, deep canyon, as shown at right. The cannon fires a projectile at an initial velocity of 57 m/s [R46ºU] that strikes the far wall of the canyon. 6) What is the vertical displacement of the projectile during its flight? A battleship simultaneously fires two shells toward two enemy ships, one close by (A), one far away (B). The shells leave the battleship at different angles and travel along the parabolic trajectories indicated at right. 7) Which of the two enemy ships gets hit first? Explain your answer. At time t = 0, ball A is thrown horizontally out of the window of a tall building. One second later (at t = 1 s), ball B is thrown from the same point with the same velocity. 8) a) Compare the speeds of the two balls at any time t > 1 s. Explain your answer. b) At what point in the motion are the two balls closest together? Explain your answer. An airplane traveling at 200 m/s [W60ºU] relative to the air releases a bomb at the instant it is 10 km above the ground. The wind blows west at 20 m/s. 9) What horizontal distance does the bomb travel as it falls to the ground? Distributed by Tyrone G Carter ...
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This note was uploaded on 08/29/2010 for the course PHYS 38234 taught by Professor Ramesh during the Spring '09 term at Berkeley.
 Spring '09
 Ramesh
 Physics, Work

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