Exam 1 Target 4 Preap Numbers 11-15
.
- 1.
11. The speed of a car will increase if the car’s
- A.
A. initial velocity is positive and its acceleration is zero.
- B.
B. initial velocity is positive and its acceleration is positive.
- C.
C. initial velocity is positive and its acceleration is negative.
- D.
D. initial velocity is negative and its acceleration is positive.
Correct Answer
B. B. initial velocity is positive and its acceleration is positive. -
- 2.
12. For a scooter with a negative acceleration, which of the following statements is always true?
- A.
A. The scooter is losing speed.
- B.
B. The final velocity of the scooter will be negative.
- C.
C. The initial velocity of the scooter will be greater than its final velocity.
- D.
D. The scooter will have a negative displacement.
Correct Answer
C. C. The initial velocity of the scooter will be greater than its final velocity. -
- 3.
13. Four people are riding the bicycles along different paths. Bicyclist 1 is traveling east at a constant speed of 10 mph. Bicyclist 2 is traveling north at a constant speed of 5 mph. Bicyclist 3 is traveling along a circular path at a constant speed of 7 mph. Bicyclist 4 is traveling along a radius of Bicyclist 3's circular path at a constant speed of 20 mph. Which of the bicyclists is accelerating along his/her path?
- A.
A. Bicyclist 1
- B.
B. Bicyclist 2
- C.
C. Bicyclist 3
- D.
D. Bicyclist 4
Correct Answer
C. C. Bicyclist 3 -
- 4.
14. While a car travels around a circular track at constant speed, its
- A.
A. acceleration is zero
- B.
B. velocity is zero
- C.
C. both a and b
- D.
D. none of the above
Correct Answer
C. C. both a and b -
- 5.
15. Acceleration is defined as
- A.
A. rate of displacement.
- B.
B. the rate of change of displacement.
- C.
C. the change in velocity.
- D.
D. the rate of change of velocity.
Correct Answer
D. D. the rate of change of velocity. -
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Mar 21, 2022Quiz Edited by
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Aug 21, 2015Quiz Created by
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