1. SS Review for Final
June 16, 2004

2. Velocity is to speed as displacement is to (A) acceleration
(B) momentum
(C) time
(D) distance
distance

3. The diagram shows a resultant vector, R
The diagram shows a resultant vector, R. Which diagram best represents a pair of component vectors, A and B, that would combine to form resultant vector R? 1

4. (A) downward at constant speed (B) upward at constant speed
A person is standing on a bathroom scale in an elevator car. If the scale reads a value greater than the weight of the person at rest, the elevator car could be moving
(A) downward at constant speed
(B) upward at constant speed
(C) downward at increasing speed
(D) upward at increasing speed
(D) upward at increasing speed

5. The diagram represents the path of an object after it was thrown
The diagram represents the path of an object after it was thrown. What happens to the object’s acceleration as it
travels from A to B?
(A) It decreases.
(B) It increases.
(C) It remains the same.
(C) It remains the same.

6. A 0.2-kg red ball is thrown horizontally at a speed of 4 m/s from a height of 3 meters. A 0.4-kg green ball is thrown horizontally from the same height at a speed of 8 m/s. Compared to the time it takes the red ball to reach the ground, the time it takes the green ball to reach the ground is
(A) one-half as great
(B) the same
(C) twice as great
(D) four times as great
(B) the same

7. The acceleration due to gravity on the surface of planet X is 19
The acceleration due to gravity on the surface of planet X is 19.6 meters per second2. If an object on the surface of this planet weighs 980 Newtons, the mass of the object is
(A) 50.0 kg
(B) 490 N
(C) 100 kg
(D) 908 N
(A) 50.0 kg

8. A basketball player jumped straight up to grab a rebound
A basketball player jumped straight up to grab a rebound. If she was in the air for 0.80 second, how high did she jump?
(A) 0.50 m
(B) 1.2 m
(C) 0.78 m
(D) 3.1 m
(C) 0.78 m

9. (A) is greater than the force of static friction
The force required to start an object sliding across a uniform horizontal surface is larger than the force required to keep the object sliding at a constant velocity. The magnitudes of the required forces are different in these situations because the force of kinetic friction
(A) is greater than the force of static friction
(B) is less than the force of static friction
(C) increases as the speed of the object relative to
the surface increases
(D) decreases as the speed of the object relative to
(B) is less than the force of static friction

10. A 50-kilogram student threw a 0
A 50-kilogram student threw a 0.40-kilogram ball with a speed of 20 meters per second. What was the magnitude of the impulse that the student
exerted on the ball?
(A) 8.0 N•s
(B) 4.0 × 102 N•s
(C) 78 N•s
(D) 1.0 × 103 N•s
(A) 8.0 N•s

11. (B) smaller, but greater than zero (C) larger (D) the same
A man is pushing a baby stroller. Compared to the magnitude of the force exerted on the stroller by the man, the magnitude of the force exerted on the man by the stroller is
(A) zero
(B) smaller, but greater than zero
(C) larger
(D) the same
(D) the same

12. The work done in moving a block across a rough surface and the heat energy gained by the block can both be measured in
(A) Watts
(B) Newtons
(C) Degrees
(D) Joules
(D) Joules

13. Two weightlifters, one 1. 5 meters tall and one 2
Two weightlifters, one 1.5 meters tall and one 2.0 meters tall, raise identical 50-kilogram masses above their heads. Compared to the work done by the weightlifter who is 1.5 meters tall, the work done by the weightlifter who is 2.0 meters tall is
(A) less
(B) greater
(C) the same
(B) greater

14. A 45. 0-kilogram boy is riding a 15
A 45.0-kilogram boy is riding a 15.0-kilogram bicycle with a speed of 8.00 meters per second. What is the combined kinetic energy of the boy and the bicycle?
(A) 240. J
(B) 1440 J
(C) 480 J
(D) 1920 J
(D) 1920 J

15. A 5-newton force causes a spring to stretch 0. 2 meter
A 5-newton force causes a spring to stretch 0.2 meter. What is the potential energy stored in the stretched spring?
(A) 1 J
(B) 0.2 J
(C) 0.5 J
(D) 0.1 J
(A) 1 J

16. A 40-kilogram student runs up a staircase to a floor that is 5
A 40-kilogram student runs up a staircase to a floor that is 5.0 meters higher than her starting point in 7.0 seconds. The student’s power output is
(A) 29 W
(B) 1.4 × 103 W
(C) 280 W
(D) 1.4 × 104 W
(C) 280 W

17. Which type of field is present near a moving electric charge?
(A) an electric field, only
(B) a magnetic field, only
(C) both an electric field and a magnetic field
(D) neither an electric field nor a magnetic
field
(C) both an electric field and a magnetic field

18. (A) may be negative or neutral (B) may be positive or neutral
A negatively charged plastic comb is brought close to, but does not touch, a small piece of paper. If the comb and the paper are attracted to each other, the charge on the paper
(A) may be negative or neutral
(B) may be positive or neutral
(C) must be negative
(D) must be positive
(B) may be positive or neutral

19. The current traveling from the cathode to the screen in a television picture tube is
5.0 × 10–5 ampere. How many electrons strike the screen in 5.0 seconds? (1 C = 6.24×1018)
(A) 3.1 × 1024
(B) 1.6 × 1015
(C) 6.3 × 1018
(D) 1.0 × 105
(B) 1.6 × 1015

20. A moving electron is deflected by two oppositely charged parallel plates, as shown in the diagram. The electric field between the plates is directed from
(A) A to B
(B) C to D
(C) B to A
(D) D to C
(B) C to D

21. The diagram shows two identical metal spheres, A and B, separated by distance d. Each sphere has mass m and possesses charge q.
Which diagram best represents the electrostatic force Fe and the gravitational force Fg acting on sphere B due to sphere A? 2

22. The electric circuit consists of a 12-volt battery, a 3
The electric circuit consists of a 12-volt battery, a 3.0-ohm resistor, R1, and a variable resistor, R2. At what value must the variable resistor be set to produce a current of 1.0 ampere through R1?
(A) 6.0 Ω
(B) 3.0 Ω
(C) 9.0 Ω
(D) 12 Ω
(C) 9.0 Ω

23. A single vibratory disturbance moving through a medium is called
(A) a node
(B) a standing wave
(C) an antinode
(D) a pulse
(D) a pulse

24. (A) The electric circuit stops working because
An electric bell connected to a battery is sealed inside a large jar. What happens as the air is removed from the jar?
(A) The electric circuit stops working because
electromagnetic radiation can not travel
through a vacuum.
(B) The bell’s pitch decreases because the
frequency of the sound waves is lower in a
vacuum than in air.
(C) The bell’s loudness increases because of
decreased air resistance.
(D) The bell’s loudness decreases because sound
waves can not travel through a vacuum.
(D) The bell’s loudness decreases because sound waves can not travel through a vacuum.

25. (A) decreases and its frequency remains the same
As a sound wave passes from water, where the speed is 1.49 × 103 meters per second, into air, the wave’s speed
(A) decreases and its frequency remains the same
(B) increases and its frequency remains the same
(C) remains the same and its frequency decreases
(D) remains the same and its frequency increases
(B) increases and its frequency remains the same

26. Which phenomenon occurs when an object absorbs wave energy that matches the object’s natural frequency?
(A) reflection
(B) resonance
(C) diffraction
(D) interference
(B) resonance

27. (A) amplitude and frequency of the incident wave
A wave is diffracted as it passes through an opening in a barrier. The amount of diffraction that the wave undergoes depends on both the
(A) amplitude and frequency of the incident
wave
(B) wavelength and speed of the incident wave
(C) wavelength of the incident wave and the
size of the opening
(D) amplitude of the incident wave and the
(C) wavelength of the incident wave and the size of the opening

28. (A) he moves toward the source at a constant speed
A source of waves and an observer are moving relative to each other. The observer will detect a steadily increasing frequency if
(A) he moves toward the source at a constant
speed
(B) the source moves away from him at a
constant speed
(C) he accelerates toward the source
(D) the source accelerates away from him
(C) he accelerates toward the source

29. Which wave diagram has both wavelength (λ) and amplitude (A) labeled correctly?

30. (A) the bird and the fish (B) the crab and the seaweed
A laser beam is directed at the surface of a smooth, calm pond. Which organisms could be illuminated by the laser light?
(A) the bird and the fish
(B) the crab and the seaweed
(C) the bird and the seaweed
(D) the crab and the fish
(1) the bird and the fish

31. (B) vibrate into and out of the page (C) vibrate left and right
The diagram below represents two waves of equal amplitude and frequency approaching point P as they move through the same medium. As the two waves pass through each other, the medium at point P will
(A) vibrate up and down
(B) vibrate into and out of the page
(C) vibrate left and right
(D) remain stationary
(A) vibrate up and down

32. A constant unbalanced force is applied to an object for a period of time. Which graph best represents the acceleration of the object as a function of elapsed time? 4

33. (A) accelerating on a flat horizontal surface (B) falling freely
The graph represents the kinetic energy, gravitational potential energy, and total mechanical energy of a moving block. Which best describes the motion of the block?
(A) accelerating on a flat horizontal surface
(B) falling freely
(C) sliding up a frictionless incline
(D) being lifted at constant velocity
(B) falling freely

34. The diameter of a United States penny is closest to (A) 100 m
(B) 10–1 m
(C) 10–2 m
(D) 10–3 m
(C) 10–2 m

35. 30-ohm resistor are connected
A 20-ohm resistor and a
30-ohm resistor are connected
in parallel to a 12-volt battery as shown. An ammeter is connected as shown. What is the equivalent resistance of the circuit?
(A) 10. Ω
(B) 25 Ω
(C) 12 Ω
(D) 50. Ω
(C) 12 Ω

36. 30-ohm resistor are connected
A 20-ohm resistor and a
30-ohm resistor are connected
in parallel to a 12-volt battery as shown. An ammeter is connected as shown. What is the current reading of the ammeter?
(A) 1.0 A
(B) 0.40 A
(C) 0.60 A
(D) 0.20 A
(C) 0.60 A

37. 30-ohm resistor are connected
A 20-ohm resistor and a
30-ohm resistor are connected
in parallel to a 12-volt battery as shown. An ammeter is connected as shown. What is the power of the 30-ohm resistor?
(A) 4.8 W
(B) 12 W
(C) 30 W
(D) 75 W
(A) 4.8 W

38. Which graph best represents the relationship between the magnitude of the electric field strength, E, around a point charge and the distance, r, from the point charge? 4

39. Several pieces of copper wire, all having the same length but different diameters, are kept at room temperature. Which graph best represents the resistance, R, of the wires as a function of their cross-sectional areas, A? 1

40. Calculate the angular velocity of the car in rpm.
The combined mass of a race car and its driver is 600. kilograms. Traveling at constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds.
Calculate the angular velocity of the car in rpm.
1.67

41. Calculate the speed of the car in m/s.
The combined mass of a race car and its driver is 600. kilograms. Traveling at constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds.
Calculate the speed of the car in m/s.
27.9 M/S

42. The combined mass of a race car and its driver is 600 kilograms
The combined mass of a race car and its driver is 600 kilograms. Traveling at constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds.
Calculate the magnitude of the centripetal acceleration of the car in m/s2.
4.9

43. Calculate the magnitude of the centripetal force of the car in N.
The combined mass of a race car and its driver is 600 kilograms. Traveling at constant speed, the car completes one lap around a circular track of radius 160 meters in 36 seconds.
Calculate the magnitude of the centripetal force of the car in N.
2940

44. An 8. 00-kilogram ball is fired horizontally from a 1
An 8.00-kilogram ball is fired horizontally from a 1.00 × 103-kilogram cannon initially at rest. After having been fired, the momentum of the ball is 2.40 × 103 kg•m/s
east.
Calculate the magnitude of the cannon’s velocity in m/s after the ball is fired.
2.4

45. An 8. 00-kilogram ball is fired horizontally from a 1
An 8.00-kilogram ball is fired horizontally from a 1.00 × 103-kilogram cannon initially at rest. After having been fired, the momentum of the ball is 2.40 × 103 kg•m/s
east.
Identify the magnitude of the cannonball’s velocity in m/s after the ball is fired.
300

46. Determine the magnitude of the object’s acceleration in m/s2.
During a 5.0-second interval, an object’s velocity changes from 25 meters per second east to 15 meters per second east.
Determine the magnitude of the object’s acceleration in m/s2. 2

47. A student conducted an experiment to determine the resistance of a
light bulb. As she applied various
potential differences to the bulb, she recorded the voltages and corresponding currents.
According to the graph, as the potential difference increased, the resistance of the light bulb
(A) decreased
(B) increased
(C) changed, but there is not enough information to
know which way
(B) increased

48. A student plucks a guitar string and the vibrations
produce a sound wave with a frequency of 650 hertz. The sound wave produced can best be described as a
(A) transverse wave of constant amplitude
(B) longitudinal wave of constant frequency
(C) mechanical wave of varying frequency
(D) electromagnetic wave of varying wavelengths
(B) longitudinal wave of constant frequency

49. Calculate the wavelength in m of the sound wave in air at STP.
A student plucks a guitar string and the vibrations produce a sound wave with a frequency of 650 hertz.
Calculate the wavelength in m of the sound wave in air at STP.
0.52

50. Calculate the absolute index of refraction of medium X.
A beam of light travels through medium X with a speed of 1.80 × 108 meters per second.
Calculate the absolute index of refraction of medium X.
1.66

51. A projectile has an initial horizontal velocity of 15 meters per second and an initial vertical velocity of 25 m/s.
Determine the projectile’s horizontal displacement (in m) if the total time of flight is 5.0 seconds. 75

52. A projectile has an initial horizontal velocity of 15 meters per second and an initial vertical velocity of 25 m/s.
Determine the maximum height of the projectile (in m) if the total time of flight is 5.0 seconds.
30.6 – 31.25

53. A net force of 25 Newtons is applied horizontally to a 10-kilogram block resting on a table. What is the magnitude of the acceleration of the block?
(A) 0.0 m/s2
(B) 0.40 m/s2
(C) 0.26 m/s2
(D) 2.5 m/s2
(D) 2.5 m/s2

54. The speed of a car is increased uniformly from 20 meters per second to 30 meters per second in 4.0 seconds. The magnitude of the car’s average acceleration in this 4.0-second interval is
(A) 0.40 m/s2
(B) 10 m/s2
(C) 2.5 m/s2
(D) 13 m/s2
(C) 2.5 m/s2

55. A roller coaster, traveling with an initial speed of 15 m/s, decelerates uniformly at –7.0 m/s2 to a full stop. Approximately how far does the roller coaster travel during its deceleration?
(A) 1.0 m
(B) 2.0 m
(C) 16 m
(D) 32 m
(C) 16 m

56. A 0. 40-kg stone attached to a string
A 0.40-kg stone attached to a string. The stone is moving at a constant speed of 4.0 m/s in a horizontal circle having a radius of 0.80 meter. What is the magnitude of the centripetal acceleration in m/s2? 20

57. A 0. 40-kg stone attached to a string
A 0.40-kg stone attached to a string. The stone is moving at a constant speed of 4.0 m/s in a horizontal circle having a radius of 0.80 meter. What is the magnitude of the centripetal force in N? 8

58. A box is at rest on an inclined plane
A box is at rest on an inclined plane. Which vector best represents the direction of the normal force acting on the box?
(A) A (B) B (C) C (D) D C

59. If the magnitude of the gravitational force of Earth on the Moon is F, the magnitude of the gravitational force of the Moon on Earth is
(A) smaller than F
(B) larger than F
(C) equal to F
(A) smaller than F

60. Which term represents a scalar quantity?
(A) distance
(B) force
(C) displacement
(D) weight
(A) distance

61. A block weighing 15 Newtons is pulled to the top of an incline that is 0.20 meter above the ground. If 4.0 joules of work are needed to pull the block the full length of the incline, how much work is done against friction?
(A) 1.0 J (B) 0.0 J (C) 3.0 J (D) 7.0 J
(A) 1.0 J

62. As a spring is stretched, its elastic potential energy
(A) decreases
(B) increases
(C) remains the same
(B) increases

63. (A) one-fourth as great (B) the same (C) one-half as great
A 1.0-kilogram rubber ball traveling east at m/s hits a wall and bounces back toward the west at 2.0 m/s. Compared to the kinetic energy of the ball before it hits the wall, the kinetic energy of the ball after it bounces off the wall is
(A) one-fourth as great
(B) the same
(C) one-half as great
(D) four times as great
(A) one-fourth as great

64. An electroscope is a device with a metal knob, a metal
stem, and freely hanging
metal leaves used to detect
charges. The leaf
electroscope is positively
charged. As a positively charged glass rod is brought near the knob of the electroscope, the separation of the electroscope leaves will
(A) decrease (B) increase (C) remain the same
(B) increase

65. (A) V1 reads 2.0 V and V2 reads 4.0 V
In the circuit
diagram, what
are the correct
readings of
voltmeters V1
and V2?
(A) V1 reads 2.0 V and V2 reads 4.0 V
(B) V1 reads 4.0 V and V2 reads 2.0 V
(C) V1 reads 3.0 V and V2 reads 3.0 V
(D) V1 reads 6.0 V and V2 reads 6.0 V
(D) V1 reads 6.0 V and V2 reads 6.0 V

66. A physics student notices that 4
A physics student notices that 4.0 waves arrive at the beach every 20 seconds. The frequency of these waves is
(A) 0.20 Hz
(B) 16 Hz
(C) 5.0 Hz
(D) 80 Hz
(C) 5.0 Hz

67. An electric guitar is generating a sound of constant frequency
An electric guitar is generating a sound of constant frequency. An increase in which sound wave characteristic would result in an increase in loudness?
(A) speed
(B) period
(C) wavelength
(D) amplitude
(D) amplitude

68. How many wavelengths separate point A and point B?
(C) 1.5
(D) 0.75
(C) 1.5

69. In a demonstration, a vibrating tuning fork causes a nearby second tuning fork to begin to vibrate with the same frequency. Which wave phenomenon is illustrated by this demonstration?
(A) the Doppler effect
(B) nodes
(C) resonance
(D) interference
(C) resonance

70. The wave fronts spread into the region behind a barrier
The wave fronts spread into the region behind a barrier. Which wave phenomenon is represented in the diagram?
(1) reflection
(2) refraction
(3) diffraction
(4) standing waves
(3) diffraction

71. A wave pattern is produced by two sources located at points A and B
A wave pattern is produced by two sources located at points A and B. Which phenomenon occurs at the intersections of the circular wave fronts?
(A) diffraction
(B) refraction
(C) interference
(D) reflection
(C) interference

72. Which is an acceptable unit for impulse? (A) N•m (B) J/s (C) J•s
(D) kg•m/s
(D) kg•m/s

73. The centers of two 15.0-kilogram spheres are separated by 3.00 meters. The magnitude of the gravitational force between the two spheres is approximately
(A) 1.11 × 10–10 N
(B) 1.67 × 10–9 N
(C) 3.34 × 10–10 N
(D) 5.00 × 10–9 N
(B) 1.67 × 10–9 N

74. During a collision, an 84-kilogram driver of a car moving at 24 meters per second is brought to rest by an inflating air bag in 1.2 seconds. The magnitude of the force exerted on the driver by the air bag is approximately
(A) 7.0×101 N
(B) 1.7×103 N
(C) 8.2×102 N
(D) 2.0×103 N
(B) 1.7×103 N

75. An apple weighing 1 Newton on the surface of Earth has a mass of approximately
(A) 1×10–1 kg
(B) 1×100 kg
(C) 1×101 kg
(D) 1×102 kg
(A) 1×10–1 kg

76. In raising an object vertically at a constant speed of 2
In raising an object vertically at a constant speed of 2.0 meters per second, 10 Watts of power is developed. The weight of the object is
(A) 5.0 N
(B) 40 N
(C) 20 N
(D) 50 N
(A) 5.0 N

77. Which diagram best represents magnetic flux lines around a bar magnet?4

78. In which situation is the net force on the object equal to zero?
(A) a satellite moving at constant speed around
Earth in a circular orbit
(B) an automobile braking to a stop
(C) a bicycle moving at constant speed on a
straight, level road
(D) a pitched baseball being hit by a bat
(C) a bicycle moving at constant speed on astraight, level road

79. A 2. 00 × 106-hertz radio signal is sent a distance of 7
A 2.00 × 106-hertz radio signal is sent a distance of 7.30 × 1010 meters from Earth to a spaceship orbiting Mars. Approximately how much time does it take the radio signal to travel from Earth to the spaceship?
(1) 4.11×10-3 s
(2) 2.43×102 s
(3) 2.19×108 s
(4) 1.46×1017 s
(2) 2.43×102 s

80. The spaceship is moving away from Earth when it receives a radio signal from Earth. Compared to the frequency of the signal sent from Earth, the frequency of the signal received by the spaceship is
(A) lower
(B) higher
(C) the same
(A) lower

81. What is the total resistance of the circuit segment?
(B) 9.0 
(C) 3.0 
(D) 27 
(A) 1.0 

82. A 4. 0-kilogram cart is moving to the right and a 6
A 4.0-kilogram cart is moving to the right and a 6.0-kilogram cart moving to the left on a horizontal frictionless surface. When the two carts collide they lock together. The magnitude of the total momentum of the two-cart system after the collision is
(A) 0.0 kg•m/s
(B) 6.0 kg•m/s
(C) 15 kg•m/s
(D) 30 kg•m/s
(B) 6.0 kg•m/s

83. A 10. 0-kilogram mass are held at rest on a frictionless 30
A 10.0-kilogram mass are held at rest on a frictionless 30.0° incline by force F. What is the approximate magnitude of force F?
(A) 9.81 N
(B) 85.0 N
(C) 49.1 N
(D) 98.1 N
(C) 49.1 N

84. (A) longer flight time and longer horizontal range
An archer uses a bow to fire two similar arrows with the same string force. One arrow is fired at an angle of 60° with the horizontal, and the other is fired at an angle of 45° with the horizontal. Compared to the arrow fired at 60°, the arrow fired at 45° has a
(A) longer flight time and longer horizontal range
(B) longer flight time and shorter horizontal range
(C) shorter flight time and longer horizontal range
(D) shorter flight time and shorter horizontal range
(C) shorter flight time and longer horizontal range

85. The graph shows the velocity of a race car moving along a straight line as a function of time. What is the magnitude of the displacement of the car
from t = 2.0 seconds to
t = 4.0 seconds?
(A) 20 m
(B) 40 m
(C) 60 m
(D) 80 m
(A) 20 m 85

86. Which vector diagram represents the greatest magnitude of displacement for an object?2

87. Which circuit diagram shows voltmeter V and ammeter A correctly positioned to measure the total potential difference of the circuit and the current through each resistor? 1

88. What is the total electrical energy used by a 1500-watt hair dryer operating for 6.0 minutes?
(A) 4.2 J
(B) 250 J
(C) 9.0×103 J
(D) 5.4×105 J
(4) 5.4×105 J

89. A periodic transverse wave has an amplitude of 0
A periodic transverse wave has an amplitude of 0.20 meter and a wavelength of 3.0 meters. If the frequency of this wave is 12 Hz, what is its speed?
(A) 0.25 m/s (C) 36 m/s
(B) 12 m/s (D) 4.0 m/s
(C) 36 m/s

90. A child is flying a kite, K. A student at point B, located 100
A child is flying a kite, K. A student at point B, located 100. meters away from point A (directly underneath the kite), measures the angle of elevation of the kite from the ground as 30°. Determine the height, AK, in meters of the kite.
57.7 m

91. A child is flying a kite, K. A student at point B, located 100
A child is flying a kite, K. A student at point B, located 100. meters away from point A (directly underneath the kite), measures the angle of elevation of the kite from the ground as 30°. A small lead sphere is dropped from the kite. Calculate the amount of time required for the sphere to fall to the ground.
3.43s