Physics 11A
Survey of Physics

H. E. Smith Fall 2005

  Physics 11 - Reading Quiz #2
  1. 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.

  2. During naval exercises a battleship fires shells simultaneously at tragets A & B, which follow the trajectories shown. Which shell hits first?
    • A. A.
    • B. B.
    • C. They both hit at the same time.
    • D. More information is needed.