Question 1

The acceleration after starting from rest is 8 m/s2.

Accepted Answer

A) True 
 B)False

Question 2

A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2. The ball is referred to at the two-second time. 
-The velocity of the ball in m/s is

Accepted Answer

A) 0. 
B) 4.9. 
C) 9.8. 
D) 19.6. 
E) none of these. 
A) 0. 
B) 4.9. 
C) 9.8. 
D) 19.6. 
E) none of these.

Question 3

The number of cycles of a periodic process that occur per unit time is called the __________.

Accepted Answer

The answer of The number of cycles of a periodic...

Question 4

The acceleration of the ball in m/s2 is

Accepted Answer

A) 0. 
B) 4.9. 
C) 9.8. 
D) 19.6. 
E) none of these. 
A) 0. 
B) 4.9. 
C) 9.8. 
D) 19.6. 
E) none of these.

Question 5

If an object's acceleration is nonzero,its velocity must be __________.

Accepted Answer

The answer of If an object's acceleration is nonzero,its velocity...

Question 6

The velocity acquired after starting from rest is 8 m/s.

Accepted Answer

A) True 
 B)False

Question 7

A pilot punches the throttle lever forward,changing his speed from 0 m/s to 40 m/s in 7 seconds.The acceleration of the racecar is _________.

Accepted Answer

The answer of A pilot punches the throttle lever forward,changing...

Question 8

An object moving in a circle undergoes

Accepted Answer

A) constant acceleration. 
B) free fall. 
C) centripetal acceleration. 
D) linear acceleration. 
E) frequency. 
A) constant acceleration. 
B) free fall. 
C) centripetal acceleration. 
D) linear acceleration. 
E) frequency.

Question 9

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III.   ​
-The object's speed is greatest in region I.

Accepted Answer

A) True 
 B)False

Question 10

In expressions like Δv and Δt,Δ stands for _________.

Accepted Answer

The answer of In expressions like Δv and Δt,Δ stands...

Question 11

The figure shows a distance versus time graph for an object.  
-The acceleration of the moving object is

Accepted Answer

A) zero. 
B) constant. 
C) increasing. 
D) decreasing. 
E) not determinable. 
A) zero. 
B) constant. 
C) increasing. 
D) decreasing. 
E) not determinable.

Question 12

An object moving in a circle undergoes centripetal acceleration.

Accepted Answer

A) True 
 B)False

Question 13

A 'cliff diver' in Mexico dives off a high cliff and falls for 2.3 seconds before hitting the water.
​
(a)How fast is the diver going at impact?
(b)How far below the cliff is the diver at this point?

Accepted Answer

The answer of A 'cliff diver' in Mexico dives off...

Question 14

The Gateway Arch in St.Louis,Missouri is 630 feet tall.Express this distance in meters and in kilometers.

Accepted Answer

The answer of The Gateway Arch in St.Louis,Missouri is 630...

Question 15

There are one thousand megabytes in a gigabyte.

Accepted Answer

A) True 
 B)False

Question 16

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III.   ​
-The object's velocity is zero in region(s)

Accepted Answer

A) I. 
B) II. 
C) III. 
D) no regions 
A) I. 
B) II. 
C) III. 
D) no regions

Question 17

A quantity that has only a magnitude but no direction associated with it is called a __________.

Accepted Answer

The answer of A quantity that has only a magnitude...

Question 18

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III.   ​
-The object's velocity is positive in region(s)

Accepted Answer

A) I. 
B) II. 
C) III. 
D) no regions 
A) I. 
B) II. 
C) III. 
D) no regions

Question 19

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70-meter mark.
​
(a)What is the runner's speed?
(b)How far would the runner go in 8 seconds if this speed is maintained?
(c)How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

Accepted Answer

The answer of A runner in a race takes 2.7...

Question 20

The acceleration of a ball as it rolls down a ramp is 4 m/sS1U1P12S1S1P0. The ball is referred to 2 s after it starts to roll. 
-The velocity acquired after starting from rest in m/s is

Accepted Answer

A) 0. 
B) 2. 
C) 4. 
D) 8. 
E) 16. 
A) 0. 
B) 2. 
C) 4. 
D) 8. 
E) 16.

The acceleration after starting from rest is 8 m/s².

A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2. The ball is referred to at the two-second time. -The velocity of the ball in m/s is

The number of cycles of a periodic process that occur per unit time is called the __________.

The acceleration of the ball in m/s² is

If an object's acceleration is nonzero,its velocity must be __________.

The velocity acquired after starting from rest is 8 m/s.

A pilot punches the throttle lever forward,changing his speed from 0 m/s to 40 m/s in 7 seconds.The acceleration of the racecar is _________.

An object moving in a circle undergoes

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's speed is greatest in region I.

In expressions like Δv and Δt,Δ stands for _________.

The figure shows a distance versus time graph for an object. -The acceleration of the moving object is

An object moving in a circle undergoes centripetal acceleration.

A 'cliff diver' in Mexico dives off a high cliff and falls for 2.3 seconds before hitting the water. (a)How fast is the diver going at impact? (b)How far below the cliff is the diver at this point?

The Gateway Arch in St.Louis,Missouri is 630 feet tall.Express this distance in meters and in kilometers.

There are one thousand megabytes in a gigabyte.

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's velocity is zero in region(s)

A quantity that has only a magnitude but no direction associated with it is called a __________.

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's velocity is positive in region(s)

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70-meter mark. (a)What is the runner's speed? (b)How far would the runner go in 8 seconds if this speed is maintained? (c)How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

The acceleration of a ball as it rolls down a ramp is 4 m/s². The ball is referred to 2 s after it starts to roll. -The velocity acquired after starting from rest in m/s is

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

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Exam 1: The Study of Motion

The acceleration after starting from rest is 8 m/s2.

A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2. The ball is referred to at the two-second time. -The velocity of the ball in m/s is

The number of cycles of a periodic process that occur per unit time is called the __________.

The acceleration of the ball in m/s2 is

If an object's acceleration is nonzero,its velocity must be __________.

The velocity acquired after starting from rest is 8 m/s.

A pilot punches the throttle lever forward,changing his speed from 0 m/s to 40 m/s in 7 seconds.The acceleration of the racecar is _________.

An object moving in a circle undergoes

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. ​ -The object's speed is greatest in region I.

In expressions like Δv and Δt,Δ stands for _________.

The figure shows a distance versus time graph for an object. -The acceleration of the moving object is

An object moving in a circle undergoes centripetal acceleration.

A 'cliff diver' in Mexico dives off a high cliff and falls for 2.3 seconds before hitting the water. ​ (a)How fast is the diver going at impact? (b)How far below the cliff is the diver at this point?

The Gateway Arch in St.Louis,Missouri is 630 feet tall.Express this distance in meters and in kilometers.

There are one thousand megabytes in a gigabyte.

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. ​ -The object's velocity is zero in region(s)

A quantity that has only a magnitude but no direction associated with it is called a __________.

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. ​ -The object's velocity is positive in region(s)

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70-meter mark. ​ (a)What is the runner's speed? (b)How far would the runner go in 8 seconds if this speed is maintained? (c)How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to 2 s after it starts to roll. -The velocity acquired after starting from rest in m/s is

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

The acceleration after starting from rest is 8 m/s².

The acceleration of the ball in m/s² is

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's speed is greatest in region I.

A 'cliff diver' in Mexico dives off a high cliff and falls for 2.3 seconds before hitting the water. (a)How fast is the diver going at impact? (b)How far below the cliff is the diver at this point?

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's velocity is zero in region(s)

The figure shows a distance vs.time graph of an object with three distinct regions,I,II,and III. -The object's velocity is positive in region(s)

A runner in a race takes 2.7 seconds to go from the 40 meter mark to the 70-meter mark. (a)What is the runner's speed? (b)How far would the runner go in 8 seconds if this speed is maintained? (c)How long did it take the runner to cover the first 40 m (assuming the same speed was maintained)?

The acceleration of a ball as it rolls down a ramp is 4 m/s². The ball is referred to 2 s after it starts to roll. -The velocity acquired after starting from rest in m/s is