In which of the following situations is there observational evidence for significant interaction between two objects? How can you tell? (a) A ball bounces off a wall with no change in speed. (b) A...

In which of the following situations is there observational evidence for significant interaction between two

objects? How can you tell?

(a) A ball bounces off a wall with no change in speed.

(b) A baseball that was hit by a batter flies toward the outfield.

(c) A communications satellite orbits the Earth.

(d) A space probe travels at constant speed toward a distant star.

(e) A charged particle leaves a curving track in a particle detector.