How Much Do You Know About Acceleration?
10 Questions
| Total Attempts: 886
Quiz for Period 2 Computer based science class. Quiz is from the Holt Science Spectrum.
Questions and Answers
- 1.Acceleration can mean
- A.
Speeding up.
- B.
Slowing down.
- C.
Changing direction.
- D.
All of the above
- 2.Centripetal acceleration occurs because an object is
- A.
Speeding up.
- B.
Slowing down.
- C.
Changing direction.
- D.
None of the above
- 3.Which of the following is constant during uniform circular motion?
- A.
Velocity
- B.
Speed
- C.
Displacement
- D.
Direction
- 4.The average acceleration of a car that goes from 0 m/s to 25 m/s in 8.0 s is.
- A.
0.32 m/s
- B.
0.32 m/s^2
- C.
3.1 m/s
- D.
3.1 m/s^2
- 5.A cyclist is traveling at an initial speed of 10.0 m/s. She accelerates at a rate of 0.500 m/s^2. Find her final speed after 9.0 s.
- A.
14.5 m/s
- B.
14.5 m/s^2
- C.
5.5 m/s
- D.
5.5 m/s^2
- 6.Peter runs in a constant direction on a straight road. The velocity-time graph of Peter's motion shows a straight line with a negative slope. What does the line tell you about Peter's speed?
- A.
It is increasing.
- B.
It is decreasing.
- C.
It is increasing, then decreasing.
- D.
It is constant.
- 7.When velocity changes the same amount over each time interval, acceleration is
- A.
Zero.
- B.
Constant.
- C.
Positive.
- D.
Negative.
- 8.On a velocity-time graph, what shows the value of acceleration?
- A.
The slope of the line
- B.
The x-axis
- C.
The y-axis
- D.
The final velocity
- 9.A cheetah can accelerate at up to 6.0 m/s^2. How long does it take for a cheeta to speed up from 10.5 m/s to 12.2 m/s?
- A.
0.28 s
- B.
1.7 s
- C.
3.5 s
- D.
10 s
- 10.What does it mean when a change in velocity is negative?
- A.
The object is speeding up.
- B.
The object is changing direction.
- C.
The object is slowing down.
- D.
The object is falling down.
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