Question 1

What two quantities are constant in uniform circular motion? ______________ and ______________

Accepted Answer

radial dis

Question 2

A compass registers ______________.

Accepted Answer

The answer of A compass registers ______________....

Question 3

An object moving in a circle with a constant speed has a(n)______________ directed toward the center of the circle.

Accepted Answer

The answer of An object moving in a circle with...

Question 4

On Earth,the magnitude of the velocity of a vertical projectile at its maximum height is equal to ______________.

Accepted Answer

The answer of On Earth,the magnitude of the velocity of...

Question 5

A projectile's vertical velocity component

Accepted Answer

A)  changes most rapidly near the top of its trajectory. 
B)  changes at a constant rate. 
C)  changes most rapidly near the bottom of its trajectory. 
D)  does not change. 
A)  changes most rapidly near the top of its trajectory. 
B)  changes at a constant rate. 
C)  changes most rapidly near the bottom of its trajectory. 
D)  does not change.

Question 6

The magnitude of the acceleration of an object moving in a circle at constant speed is

Accepted Answer

A)  variable. 
B)  directly proportional to the speed squared. 
C)  directly proportional to the speed. 
D)  directly proportional to the radius of the circle squared. 
A)  variable. 
B)  directly proportional to the speed squared. 
C)  directly proportional to the speed. 
D)  directly proportional to the radius of the circle squared.

Question 7

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 8

A(n)______________ quantity has only magnitude.

Accepted Answer

The answer of A(n)______________ quantity has only magnitude....

Question 9

Distance is a(n)______________ quantity.

Accepted Answer

The answer of Distance is a(n)______________ quantity....

Question 10

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 11

The distance a dropped object travels is proportional to the ______________ of the time.

Accepted Answer

The answer of The distance a dropped object travels is...

Question 12

A speedometer registers ______________.

Accepted Answer

The answer of A speedometer registers ______________....

Question 13

The magnitude of a displacement is ______________ the magnitude of the distance traveled.

Accepted Answer

A)  always unequal to 
B)  less than or equal to 
C)  always equal to 
D)  greater than or equal to 
E)  none of these; the two cannot be compared. 
A)  always unequal to 
B)  less than or equal to 
C)  always equal to 
D)  greater than or equal to 
E)  none of these; the two cannot be compared.

Question 14

As a block slides down a 33° 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 15

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 16

Motion necessarily involves

Accepted Answer

A)  a change in velocity. 
B)  a change in speed. 
C)  a change in direction. 
D)  a change in position. 
E)  all of these 
A)  a change in velocity. 
B)  a change in speed. 
C)  a change in direction. 
D)  a change in position. 
E)  all of these

Question 17

______________ acceleration is necessary for uniform circular motion.

Accepted Answer

The answer of ______________ acceleration is necessary for uniform circular...

Question 18

A rifle bullet shot horizontally at a velocity of 9.8 m/s has a horizontal acceleration of ______________.

Accepted Answer

The answer of A rifle bullet shot horizontally at a...

Question 19

The magnitudes of two horizontal displacements are 4 m and 9 m,respectively.Given that the vectors may be in either the plus or the minus direction,they cannot be added together to give a total displacement of

Accepted Answer

A)  -13 m. 
B)  -5 m. 
C)  5 m. 
D)  13 m. 
E)  4 m. 
A)  -13 m. 
B)  -5 m. 
C)  5 m. 
D)  13 m. 
E)  4 m.

Question 20

A(n)______________ quantity has both magnitude and direction.

Accepted Answer

The answer of A(n)______________ quantity has both magnitude and direction....

Exam 2: Motion

What two quantities are constant in uniform circular motion? ______________ and ______________

A compass registers ______________.

An object moving in a circle with a constant speed has a(n)______________ directed toward the center of the circle.

On Earth,the magnitude of the velocity of a vertical projectile at its maximum height is equal to ______________.

A projectile's vertical velocity component

The magnitude of the acceleration of an object moving in a circle at constant speed is

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

A(n)______________ quantity has only magnitude.

Distance is a(n)______________ quantity.

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

The distance a dropped object travels is proportional to the ______________ of the time.

A speedometer registers ______________.

The magnitude of a displacement is ______________ the magnitude of the distance traveled.

As a block slides down a 33° frictionless incline,its acceleration

An object in free fall has

Motion necessarily involves

______________ acceleration is necessary for uniform circular motion.

A rifle bullet shot horizontally at a velocity of 9.8 m/s has a horizontal acceleration of ______________.

The magnitudes of two horizontal displacements are 4 m and 9 m,respectively.Given that the vectors may be in either the plus or the minus direction,they cannot be added together to give a total displacement of

A(n)______________ quantity has both magnitude and direction.

Measurement

Force and Motion

Work and Energy

Temperature and Heat

Waves and Sound

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 G Eology and P Late Tectonics

Minerals, rocks, and Volcanoes

Surface Processes

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What two quantities are constant in uniform circular motion? and

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