Chapter 2: Describing Motion: Kinematics In One Dimension
4 Questions
| Total Attempts: 1335
Questions and Answers
- 1.Suppose that an object travels from one point in space to another. Make a comparison between the displacement and the distance traveled.
- A.
The displacement is either greater than or equal to the distance traveled.
- B.
The displacement is always equal to the distance traveled.
- C.
The displacement is either less than or equal to the distance traveled.
- D.
The displacement can be either greater than, smaller than, or equal to the distance traveled.
- 2.When is the average velocity of an object equal to the instantaneous velocity?
- A.
Always
- B.
Never
- C.
Only when the velocity is constant
- D.
Only when the velocity is increasing at a constant rate
- 3.A new car manufacturer advertises that their car can go "from zero to sixty in 8 s". This is a description of
- A.
Average speed.
- B.
Instantaneous speed.
- C.
Average acceleration.
- D.
Instantaneous acceleration.
- 4.An object moving in the +x axis experiences an acceleration of 2.0 m/s^2. This means the object is
- A.
Traveling at 2.0 m in every second.
- B.
Traveling at 2.0 m/s in every second.
- C.
Changing its velocity by 2.0 m/s.
- D.
Increasing its velocity by 2.0 m/s in every second.
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