The cart on the frictionless track ejects a ball straight upward
so that it returns to the cart when at rest. When the ball is ejected
as the cart is moving:
A. the ball falls behind the cart.
B. the ball still falls into the cart.
C. the ball falls in front of the cart.
During naval exercises a battleship fires shells simultaneously at
tragets A & B, which follow the trajectories shown. Which shell hits
first?
Fall 2005
