Exam 2 Target 4 Retake Preap

1. The motion of a projectile in free fall is characterized by

A. ax = ay = -g.

B. ax = constant and vy = constant.

C. vx = constant and ay = -g.

D. vx = constant and vy = constant.

2. The range of a projectile is affected by _____.

A. the launch angle.

B. the launch speed.

C. acceleration due to gravity.

D. both the launch angle and the launch speed.

3. A _____ moves through the air only under the influence of gravity.

A. bird

B. airplane

C. projectile

D. all of these answers are correct

4. When a projectile is moving down, its _____ is down.

A. speed

B. velocity

C. acceleration

D. none of these answers are correct

5. When a projectile is moving up, its ___ is down.

A. speed

B. velocity

C. acceleration

D. none of these answers are correct.