Question 1

An object that is moving in a linear path with an acceleration in the direction of motion has a(n) ______________ velocity.

Accepted Answer

A)  constant 
B)  increasing 
C)  decreasing 
D)  none of these 
A)  constant 
B)  increasing 
C)  decreasing 
D)  none of these

Question 2

An object is dropped (g = 9.80 m/s2) and falls for 5.00 s before hitting the ground.a. How far has the object fallen?
b. What is the final velocity?
c. What is the final acceleration?

Accepted Answer

Question 3

For there to be an acceleration, there must necessarily be a change in ______________.

Accepted Answer

The answer of For there to be an acceleration, there...

Question 4

A speedometer indicates ______________ if the automobile is traveling forward.

Accepted Answer

A)  instantaneous acceleration 
B)  instantaneous speed 
C)  instantaneous velocity 
D)  average speed 
E)  average acceleration 
A)  instantaneous acceleration 
B)  instantaneous speed 
C)  instantaneous velocity 
D)  average speed 
E)  average acceleration

Question 5

The straight-line distance and direction between two points are, together, called

Accepted Answer

A)  velocity. 
B)  displacement. 
C)  distance. 
D)  acceleration. 
A)  velocity. 
B)  displacement. 
C)  distance. 
D)  acceleration.

Question 6

A ball dropped from the top of a building hits the ground 8.0 s later. How high is the building (in meters)?

Accepted Answer

310 m (rou

Question 7

An object in free fall has

Accepted Answer

A)  a constant speed. 
B)  a constant velocity. 
C)  a velocity that changes 9.8 m/s each second. 
D)  an acceleration that depends on its mass. 
A)  a constant speed. 
B)  a constant velocity. 
C)  a velocity that changes 9.8 m/s each second. 
D)  an acceleration that depends on its mass.

Question 8

In the equation ac= v2/r for centripetal acceleration, the r stands for

Accepted Answer

A)  diameter. 
B)  distance. 
C)  radius. 
D)  rate. 
A)  diameter. 
B)  distance. 
C)  radius. 
D)  rate.

Question 9

An object in uniform circular motion has

Accepted Answer

A)  constant acceleration. 
B)  variable radial distances. 
C)  constant velocity. 
D)  constant speed. 
A)  constant acceleration. 
B)  variable radial distances. 
C)  constant velocity. 
D)  constant speed.

Question 10

As a block slides down a 40° frictionless incline, its acceleration

Accepted Answer

A)  decreases with distance. 
B)  remains constant. 
C)  is greatest at the bottom of the incline. 
D)  is greatest at the top of the incline. 
A)  decreases with distance. 
B)  remains constant. 
C)  is greatest at the bottom of the incline. 
D)  is greatest at the top of the incline.

Question 11

A freely falling object

Accepted Answer

A)  has a uniformly increasing velocity. 
B)  is unaffected by gravity. 
C)  has a uniformly increasing acceleration. 
D)  has a uniformly increasing displacement. 
A)  has a uniformly increasing velocity. 
B)  is unaffected by gravity. 
C)  has a uniformly increasing acceleration. 
D)  has a uniformly increasing displacement.

Question 12

A golfer hits a ball on a level fairway at an angle of 55° relative to the horizontal, and it lands on the green. Another golfer hits a ball with the same speed but at another angle, and it lands on the green by the other ball. What was the launch angle for the second golfer?

Accepted Answer

A)  35° 
B)  25° 
C)  40° 
D)  45° 
E)  15° 
A)  35° 
B)  25° 
C)  40° 
D)  45° 
E)  15°

Question 13

When running and jumping to score, a basketball player seems to "hang" in the air because

Accepted Answer

A)  his or her acceleration is zero. 
B)  his or her horizontal velocity is quite small. 
C)  both components of motion are zero. 
D)  his or her vertical velocity is quite small. 
E)  levitation is possible with practice. 
A)  his or her acceleration is zero. 
B)  his or her horizontal velocity is quite small. 
C)  both components of motion are zero. 
D)  his or her vertical velocity is quite small. 
E)  levitation is possible with practice.

Question 14

An automobile's acceleration cannot be changed by using the

Accepted Answer

A)  gas pedal. 
B)  brake pedal. 
C)  steering wheel. 
D)  stick shift. 
E)  turn signal. 
A)  gas pedal. 
B)  brake pedal. 
C)  steering wheel. 
D)  stick shift. 
E)  turn signal.

Question 15

A freely falling object has a constant acceleration of 9.8 m/s2. This means that

Accepted Answer

A)  the object's displacement changes by 9.8 m every second squared. 
B)  the object's speed increases by 9.8 m/s each second. 
C)  the object's acceleration increases by 9.8 m/s2 each second. 
D)  the object travels 9.8 m each second. 
A)  the object's displacement changes by 9.8 m every second squared. 
B)  the object's speed increases by 9.8 m/s each second. 
C)  the object's acceleration increases by 9.8 m/s2 each second. 
D)  the object travels 9.8 m each second.

Question 16

An automobile's acceleration may be changed by using the

Accepted Answer

A)  windshield wipers. 
B)  steering wheel. 
C)  radio. 
D)  horn. 
A)  windshield wipers. 
B)  steering wheel. 
C)  radio. 
D)  horn.

Question 17

If the instantaneous velocity of an object is constant, then so is its

Accepted Answer

A)  velocity. 
B)  distance. 
C)  acceleration. 
D)  displacement. 
A)  velocity. 
B)  distance. 
C)  acceleration. 
D)  displacement.

Question 18

Velocity is similar to speed, but a ________ is also involved in velocity.

Accepted Answer

A)  acceleration 
B)  direction 
C)  position 
D)  scalar 
A)  acceleration 
B)  direction 
C)  position 
D)  scalar

Question 19

An object is dropped from a vertical distance of 31.7 m above the ground, and it takes 2.54 sec to fall that distance. A second identical object to launched from the same height, with a horizontal velocity of 64.0 m/s. How long does the second object take to fall the 31.7 m?

Accepted Answer

A)  More than 2.54 sec 
B)  Almost 2.54 sec. 
C)  Less than 2.54 sec 
D)  Exactly 2.54 sec 
E)  Much less than 2.54 sec 
A)  More than 2.54 sec 
B)  Almost 2.54 sec. 
C)  Less than 2.54 sec 
D)  Exactly 2.54 sec 
E)  Much less than 2.54 sec

Question 20

An object that is moving with an acceleration different from zero will always have a(n) ______________ velocity.

Accepted Answer

A)  changing 
B)  increasing 
C)  constant 
D)  decreasing 
A)  changing 
B)  increasing 
C)  constant 
D)  decreasing

An object that is moving in a linear path with an acceleration in the direction of motion has a(n) ______________ velocity.

An object is dropped (g = 9.80 m/s²) and falls for 5.00 s before hitting the ground.a. How far has the object fallen? b. What is the final velocity? c. What is the final acceleration?

For there to be an acceleration, there must necessarily be a change in ______________.

A speedometer indicates ______________ if the automobile is traveling forward.

The straight-line distance and direction between two points are, together, called

A ball dropped from the top of a building hits the ground 8.0 s later. How high is the building (in meters)?

An object in free fall has

In the equation a_c= v²/r for centripetal acceleration, the r stands for

An object in uniform circular motion has

As a block slides down a 40° frictionless incline, its acceleration

A freely falling object

A golfer hits a ball on a level fairway at an angle of 55° relative to the horizontal, and it lands on the green. Another golfer hits a ball with the same speed but at another angle, and it lands on the green by the other ball. What was the launch angle for the second golfer?

When running and jumping to score, a basketball player seems to "hang" in the air because

An automobile's acceleration cannot be changed by using the

A freely falling object has a constant acceleration of 9.8 m/s². This means that

An automobile's acceleration may be changed by using the

If the instantaneous velocity of an object is constant, then so is its

Velocity is similar to speed, but a ________ is also involved in velocity.

An object is dropped from a vertical distance of 31.7 m above the ground, and it takes 2.54 sec to fall that distance. A second identical object to launched from the same height, with a horizontal velocity of 64.0 m/s. How long does the second object take to fall the 31.7 m?

An object that is moving with an acceleration different from zero will always have a(n) ______________ velocity.

Temperature and Heat

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

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Exam 2: Waves and Sound

An object that is moving in a linear path with an acceleration in the direction of motion has a(n) ______________ velocity.

An object is dropped (g = 9.80 m/s2) and falls for 5.00 s before hitting the ground.a. How far has the object fallen? b. What is the final velocity? c. What is the final acceleration?

For there to be an acceleration, there must necessarily be a change in ______________.

A speedometer indicates ______________ if the automobile is traveling forward.

The straight-line distance and direction between two points are, together, called

A ball dropped from the top of a building hits the ground 8.0 s later. How high is the building (in meters)?

An object in free fall has

In the equation ac= v2/r for centripetal acceleration, the r stands for

An object in uniform circular motion has

As a block slides down a 40° frictionless incline, its acceleration

A freely falling object

A golfer hits a ball on a level fairway at an angle of 55° relative to the horizontal, and it lands on the green. Another golfer hits a ball with the same speed but at another angle, and it lands on the green by the other ball. What was the launch angle for the second golfer?

When running and jumping to score, a basketball player seems to "hang" in the air because

An automobile's acceleration cannot be changed by using the

A freely falling object has a constant acceleration of 9.8 m/s2. This means that

An automobile's acceleration may be changed by using the

If the instantaneous velocity of an object is constant, then so is its

Velocity is similar to speed, but a ________ is also involved in velocity.

An object is dropped from a vertical distance of 31.7 m above the ground, and it takes 2.54 sec to fall that distance. A second identical object to launched from the same height, with a horizontal velocity of 64.0 m/s. How long does the second object take to fall the 31.7 m?

An object that is moving with an acceleration different from zero will always have a(n) ______________ velocity.

Temperature and Heat

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural Geology and Plate Tectonics

Minerals Rocks and Volcanoes

Surface Processes

Geologic Time

Filters

An object is dropped (g = 9.80 m/s²) and falls for 5.00 s before hitting the ground.a. How far has the object fallen? b. What is the final velocity? c. What is the final acceleration?

In the equation a_c= v²/r for centripetal acceleration, the r stands for

A freely falling object has a constant acceleration of 9.8 m/s². This means that