# Exam 1 Target 4 Preap Numbers 11-15

5 Questions | Total Attempts: 90

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• 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.

• 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.

• 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

• 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

• 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.