1. A bowling ball is dropped from a height h onto the center of a trampoline, which launches the ball back up into the air. How high will the ball rise?
(a) Significantly less than h.
(b) More than h. The exact amount depends on the mass of the ball and the springiness of the trampoline.
(c) No more than h-probably a little less.
(d) Cannot tell without knowing the characteristics of the trampoline.
2. A ball is thrown straight up. At what point does the ball have the most energy? Ignore air resistance.
(a) At the highest point of its path.
(b) When it is first thrown.
(c) Just before it hits the ground.
(d) When the ball is halfway to the highest point of its path.
(e) Everywhere; the energy of the ball is the same at all of these points.