Lab 5: Momentum
Introduction
For this lab we explore the concepts of impulse and momentum conservation.
The product of mass and velocity is known as momentum (p):
p=mv
Velocity is a vector quantity, which correlated into momentum being a vector.
The total
CHAPTER 1 INTRODUCTION AND
MATHEMATICAL CONCEPTS
ANSWERS TO FOCUS ON CONCEPTS QUESTIONS
1.
(d) The resultant vector R is drawn from the tail of the first vector to the head of the last
vector.
2.
(c) Note from the drawing that the magnitude R of the resul
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 7
1. The plot below shows the velocity versus time plot for an object moving along a straight line.
(a) What is the displacement of the object from t = 0 s to t = 12 s?
(b) What is the acceleration
PHYS 1100
Introduction to Physics
Problem Set 8 Answers
1. (a) 259 m
(b) 6.12 s
(c) 104 m/s
(d) 12.2 s
(e) 13.4 s
(f) 126 m/s
3. (a) 0.990 s and 3.09 s
(b) 36.1 m/s
4. 12.6 below the horizontal
1
Spring 2013
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 8
A 2.5-kg cannonball is red from the top of a cli as shown in the gure below. The cannonball leaves the
cannon at a height of h = 75 m above the ground below. The cannonball is red at an initial s
PHYS 1100
Introduction to Physics
Problem Set 9 Answers
1. (a) 0.0263 m/s2
(b) 107 N
(c) 267 N
2. (a) 0.0347 m/s2
(b) 22.1 s
(c) 0.768 m/s
3. 1.67 m/s
4. 34.0 N
1
Spring 2013
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 9
1. A box starts from rest and is pushed a distance d = 1.25 meters along a frictionless ramp by a horizontal
force, Fa , in 9.75 seconds. The mass of the box is m = 25.0 kg. The ramp is inclined
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 10
1. A 1.25-kg mass is attached to the end of a conical pendulum. The string makes an angle of 15.0 with
the vertical as the mass travels around a circle with a circumference of 0.250 meters. What
PHYS 1100 Summer 2012
Exam #2 Form A
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Lab 8: Sound Waves- Interference and Resonance
Introduction
Sound waves are caused through changes in air pressure of a medium, which
move through the medium, ex. through water molecules. Sound waves travel at a
constant velocity through a medium, and can
Lab 8: Periodic Motion
Introduction:
This lab looks at periodic motion. Periodic motion is motion in a system that repeats
itself at a regular interval. In involve situation like rotation at a constant velocity. The examples
that todays experiments examin
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 6
1. Two cars approach each other on a long, straight highway. Car 1 is traveling east at a constant speed
of 30.0 m/s. Car 2 is traveling west with a speed of 20.0 m/s. When the two cars are separ
PHYS 1100 Spring 2013
Exam #4 Form A
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Signature:
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Section 1 & 3 (TTH 1:30 2:50)
Section 2 (TTH 3:00 4:20)
New Department Policy: During your test, the only electronic device you may have with
you at your seat is a scientic or grap
PHYS 1100
Introduction to Physics
Problem Set 1 Answers
1. 154.6 meters
2. 1.80 1012 furlongs/fortnight
3. (a) A = 25.0 cos 25 m/s 25.0 sin 25 m/s = 22.7 m/s 10.6 m/s
i
j
i
j
(b) B = 0 m/s + 18.5 m/s
i
j
(c) C = 22.0 sin 35 m/s 22.0 cos 35 m/s = 12.6 m/
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 1
1. You are instructed to walk 32.0 paces, then 23.5 fathoms, then 12.5 rods. What is the total distance
you will walk in SI units? Use the following conversions in your calculation:
1 pace = 60
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 2
1. A delivery truck starts its run by driving 3.2 km due east before turning due north and driving an
additional 2.5 km. Finally, the truck turns 20 degrees north of west and drives for 1.8 km be
PHYS 1100
Introduction to Physics
Problem Set 3 Answers
1. F3 = 164 N, a = 3.69 m/s2
2. Fa = mg
sin + k cos
cos k sin
3. 26.6 N + 155 N
i
j
4. T = 16.8 N
1
Spring 2013
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 3
1. Three horizontal forces act on a 30.0-kg box initially at rest on a table. Force 1 has a magnitude of
185 N and points in the direction 15 S of E. The second force has a magnitude of 235 N and
PHYS 1100
Introduction to Physics
Problem Set 4 Answers
1. a = 0 m/s2 , FT = 147 N, fs = 29.4 N
2. a =
m2 g sin k m1 g
m1 + m2
3. FT =
m1 m2 g
m1 + m2
4. F = 57.3 N
1
Spring 2013
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 4
1. A crate of mass m1 = 24 kg rests on a rough plane inclined at an angle
= 30 above the horizontal with k = 0.22 and s = 0.25. The crate
is connected by a rope to a box of mass m2 = 15 kg by a
PHYS 1100
Introduction to Physics
Problem Set 5 Answers
1. (a) 1.06 m/s
(b) 0.48 m/s2 at 41 S of E
2. (a) 8.45 m W and 13.2 m S
(b) 0.397 m/s W and 0.091 m/s S
(c) 0.159 m/s2 W
(d) 2.15
kg m
W
s
3. (a) t1 = 0.472 s and t2 = 3.53 s; r(t1 ) = 11.1 m and r(t
PHYS 1100
Introduction to Physics
Spring 2013
Problem Set 5
1. You walk 1.20 kilometers due east in 15.0 minutes, turn and walk 3.00 km due south in 45.0 minutes,
then rest for 10.0 minutes, before taking 20.0 minutes to walk a nal 1.50 kilometers at an a
PHYS 1100
Introduction to Physics
Problem Set 6 Answers
1. (a) 4.35 s
(b) 44.4 m
(c) 0.414 m/s
2. (a) 15.7 s
(b) 556 m
(c) v1 = 70.7 m/s and v2 = 64.5 m/s
3. (a) 3.0 s
(b) x = (4.50 m) + (2.25 m) and v = (0 m) + (1.50 m/s)
i
i
i
j
4. (a) 1.23 m/s2 1.87 m/
PHYS 1100 Summer 2012
Exam #3 Form A
Name:
Signature:
Circle your section:
Section 1 & 3 (TTH 1:30 2:50)
Section 2 (TTH 3:00 4:20)
New Department Policy: During your test, the only electronic device you may have with
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