WorksheetsPhysics Benchmark Review!
Total questions: 35
Worksheet time: 3hrs 55mins
Name
Class
Date
1.
Motion sensors recorded the following data about a runner during a cross-country race. During which segment of the race did the runner have the greatest speed?
a)
W
b)
X
c)
Y
d)
Z
2.
Two people each have a mass of 55 kg. They are both in an elevator that has a mass of 240 kg. When the elevator begins to move, the people and the elevator have an upward acceleration of 1.00 m/s2. What is the net force that acts on the elevator as it accelerates upwards at 1.00 m/s2?
a)
9.8 N
b)
110 N
c)
130 N
d)
350 N
3.
The center of a 910 kg satellite is 9.9 x 106 m from Earth’s center. What is the gravitational force between the satellite and Earth?
a)
4.5 x 103 N
b)
3.7 x 103 N
c)
8.9 x 103 N
d)
1.7 x 106 N
4.
Radar works by sending out radio signals. The reflected signals are measured and analyzed to determine some of the characteristics of the object that reflected the signals. One type of radar emits radio signals having a wavelength of 1.5 meters. What is the frequency of these signals?
a)
1.5 x 108 Hz
b)
2.0 x 108 Hz
c)
2.5 x 108 Hz
d)
3.0 x 108 Hz
5.
During a classroom activity a suction-cup dart with a mass of m was launched at a stationary cart that had a mass of 5m. Four students observed the event, and their descriptions are shown in the table. Which student best described the momentum, kinetic energy, and velocity of the system before and after the collision?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
6.
During a classroom activity a suction-cup dart with a mass of m was launched at a stationary cart that had a mass of 5m. Four students observed the event, and their descriptions are shown in the table. Which student best described the momentum, kinetic energy, and velocity of the system before and after the collision?
a)
Student 1
b)
Student 2
c)
Student 3
d)
Student 4
7.
Students set up a water tray with a barrier placed halfway from the ends. The barrier has two openings in it. The students then generate waves that propagate toward the barrier, as shown. As the waves travel from the left through the barrier, they produce a pattern on the right side. In a segment of this pattern, part of the wave tends to disappear. What phenonmenon of waves causes this pattern to occur?
a)
The waves interfere with one another constructively and destructively.
b)
The waves refract as they travel through the openings.
c)
The waves reflect back and forth as they travel through the openings.
d)
The waves change in frequency when they meet one another.
8.
The diagram shows the position of a block of ice as it moves down a smooth ramp that is 1.60 m long. Which graph best represents the motion of the block of ice on the ramp?
a)
A
b)
B
c)
C
d)
D
9.
A skateboarder travels back and forth on a U-shaped track during a time trial at a competition. The graph shows the skateboarder’s speed as a function of time during the trial. Which labeled point on the graph identifies the time during the trial that the skateboarder most likely has equal amounts of kinetic energy and potential energy?
a)
P
b)
Q
c)
R
d)
S
10.
A musical note has a frequency of 512 Hz. If the wavelength of the note is 0.685 m, what is the speed of the sound of that note?
a)
345 m/s
b)
351 m/s
c)
841 m/s
d)
0.00120 m/s
11.
10. A pendulum swings back and forth along the dashed path shown in the diagram. Its instantaneous velocity for the location shown is given in the diagram. What is the pendulum’s total mechanical energy at the given location with respect to the bottom of the swing?
a)
3.2 x 10-2 J
b)
8.8 x 10-2 J
c)
1.2 x 10-1 J
d)
2.1 x 10-1 J
12.
Which graph best represents the motion of an object that has a positive acceleration for a period of time?
a)
A
b)
B
c)
C
d)
D
13.
Suppose Earth orbited a star whose mass was double the mass of the sun. If the radius of Earth’s orbit remained the same as it is now, then compared with the gravitational force between Earth and the sun, the gravitational force between Earth and the star would be -
a)
half as much
b)
the same
c)
two times as much
d)
four times as much
14.
A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat’s acceleration while it travels the 12.0 m?
a)
1.3 m/s2
b)
2.5 m/s2
c)
3.0 m/s2
d)
7.5 m/s2
15.
A warehouse employee is pushing a 30.0 kg desk across a floor at a constant speed of 0.50 m/s. How much work must the employee do on the desk to change the speed to 1.00 m/s?
a)
3.75 J
b)
7.50 J
c)
8.44 J
d)
11.3 J
16.
Students use the setup shown beow for a lab activity. The setup is most useful for demonstrating -
a)
absorption
b)
diffraction
c)
resonance
d)
refraction
17.
An object with an initial velocity of 3.50 m/s moves east along a straight and level path. The object then undergoes a constant acceleration of 1.80 m/s2 east for a period of 5.00 s. How far does the object move while it is accelerating?
a)
6.30 m
b)
17.5 m
c)
27.2 m
d)
40.0 m
18.
The table below shows some data for the moon. Based on the table, what is the gravitational force on a 1.00 kg rock on the surface of the moon?
a)
4.91 x 1012 N
b)
1.62 N
c)
9.81 N
d)
1.28 x 1029 N
19.
The picture shows a professional diver with a mass of 93.0 kg diving from a 25.0 m high cliff. Earth’s gravity is acting on the diver. Which statement best describes the reaction force to Earth’s gravity in this situation?
a)
The diver is pulling on Earth with a force of 911 N.
b)
The sun is pulling on Earth with a force of 5.97 x 1024 N
c)
Earth is pulling on the water with a force of 5.97 x 1025 N
d)
Earth is pulling on the air with a force of 2.28 x 104 N
20.
A car traveling on a level road initially has 440 kJ of mechanical energy. After the brakes are applied for a few seconds, the car has only 110 kJ of mechanical energy. What best accounts for the missing mechanical energy?
a)
Half the missing mechanical energy has been converted to heat energy, and the other half has been destroyed.
b)
Most of the missing mechanical energy has been converted to gravitational potential energy.
c)
Half the missing mechanical energy has been converted to kinetic energy, and the other half has been converted to potential energy.
d)
d. Most of the missing mechanical energy has been converted to heat energy through friction.
21.
A student puts a hand up in front of a plane mirror as shown in the diagram. Four possible observations are shown in the table below. Which observation correctly describes the image of the hand?
a)
Observation 1
b)
Observation 2
c)
Observation 3
d)
Observation 4
22.
Which of the following is the best evidence that work has been done on or by an object?
a)
The energy of the object has changed.
b)
The velocity of the object remains constant.
c)
The mass of the object has changed.
d)
The direction the object is moving remains constant.
23.
A nurse applies a horizontal force of 147 N on a bed that has a mass of 152 kg, as shown below. The magnitude of the normal force acting on the bed is -
a)
0.967 N
b)
5.00 N
c)
1440 N
d)
1490 N
24.
An engineer is designing an instrument to examine the interior of a piece of wood without cutting it. The engineer decides to pass electromagnetic radiation through the wood to a detector on the other side. Which type of electromagnetic radiation would be most suitable for this investigation?
a)
Visible light
b)
Radio waves
c)
X-rays
d)
Ultraviolet light
25.
What is the impulse on a 45,000 kg airplane when it changes its velocity from 242 m/s to 258 m/s?
a)
16 kg•m/s
b)
2,800 kg•m/s
c)
440,000 kg•m/s
d)
720,000 kg•m/s
26.
A train passes a stationary observer. Which of the following best describes how the amplitude and the apparent frequency of the sound waves heard by the observer change as the train moves away?
a)
Both the amplitude and the apparent frequency increase
b)
Both the amplitude and the apparent frequency decrease.
c)
The amplitude of the sound waves increases, and the apparent frequency decreases.
d)
The amplitude of the sound waves decreases, and the apparent frequency increases.
27.
The diagram below shows a glider on an air track with three photogates. Each photogate determines the velocity of the glider as it moves down the air track. Which graph best represents the glider’s velocity as it moves down the air track?
a)
A
b)
B
c)
C
d)
D
28.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
29.
The table below shows data about five satellites orbiting Earth. Which satellite will experience the same magnitude of gravitational force as Satellite X does in its orbit?
a)
1
b)
2
c)
3
d)
4
30.
The first diagram shows two gliders, X and Y, on a nearly frictionless air track. A spring is compressed between the two gliders. The gliders are tied together tightly by a piece of string. The second diagram shows what happens to the gliders when the string is cut. Which of the following quantities is the same for both gliders while the spring is pushing them apart?
a)
Magnitude of acceleration
b)
Kinetic energy
c)
Mass
d)
Magnitude of momentum
31.
A student pushed a box 27.0 m across a smooth, horizontal floor using a constant force of 113 N. If the force was applied for 9.00 s, how much power was developed, to the nearest watt?
a)
38
b)
339
c)
1017
d)
3051
32.
A net force acting on a 5.0 kg box produces an acceleration of 4.2 m/s2. What acceleration will the same force cause on a 2.8 kg box?
a)
7.5
b)
27.4
c)
14
d)
21
33.
Sound travels through air at a speed of 342 m/s at room temperature. What is the frequency, in Hertz, of a sound wave with a wavelength of 1.8 m?
a)
.005
b)
615.6
c)
230
d)
190
34.
A bicyclist starts from rest and accelerates along a straight path to a speed of 12.15 m/s in a time of 4.5 seconds. What is the bicyclist’s acceleration in m/s2?
a)
.37
b)
54.7
c)
2.7
d)
6.8
35.
A 5.000 kg crate is accelerated from 5.000 m/s to 10.00 m/s. What is the amount of work needed, in Joules, to accelerate the crate?
a)
187.5
b)
25
c)
1
d)
193.5
100 %
