Exam 2 Target 4 Retake Preap
5 Questions
| Total Attempts: 80
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Questions and Answers
- 1.The range of a projectile is affected by _____.
- A.
A. the launch angle.
- B.
B. the launch speed.
- C.
C. acceleration due to gravity.
- D.
D. both the launch angle and the launch speed.
- 2.A _____ moves through the air only under the influence of gravity.
- A.
A. bird
- B.
B. airplane
- C.
C. projectile
- D.
D. all of these answers are correct
- 3.When a projectile is moving up, its ___ is down.
- A.
A. speed
- B.
B. velocity
- C.
C. acceleration
- D.
D. none of these answers are correct.
- 4.When a projectile is moving down, its _____ is down.
- A.
A. speed
- B.
B. velocity
- C.
C. acceleration
- D.
D. none of these answers are correct
- 5.The motion of a projectile in free fall is characterized by
- A.
A. ax = ay = -g.
- B.
B. ax = constant and vy = constant.
- C.
C. vx = constant and ay = -g.
- D.
D. vx = constant and vy = constant.
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