A. ax = ay = -g.
B. ax = constant and vy = constant.
C. vx = constant and ay = g.
D. vx = constant and vy = constant.
A. have a horizontal component.
B. have both a vertical and a horizontal component.
C. have either a vertical or a horizontal component.
D. start from rest.
A. I only
b. II only
c. III only
d. None are true
a. a jet lifting off a runway
b. a baseball being thrown
c. dropping an aluminum can into the recycling bin
d. a space shuttle orbiting Earth