Consider two tennis balls. Ball 1 is a good tennis ball. When ... ...

  Consider two tennis balls. Ball 1 is a good tennis ball. When it is dropped from shoulder height, it hits the floor and rebounds to 80% of its original drop height. Ball 2 has gone flat. When it is dropped from shoulder height, it hits the floor and stops. In the collision with the floor, which ball receives the greater impulse?
(A) Ball 1, because the impulse is about double that received by ball 2.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 08. Momentum