Question

From the edge of a roof you throw a snowball downward that strikes the ground with 100 J of kinetic energy. Then you throw a second snowball upward with the same initial speed, and this too falls to the ground. Neglecting air resistance, the second snowball hits the ground with a kinetic energy of
A) less than 100 J.
B) 100 J.
C) 200 J.
D) more than 200 J.
E) none of the above

Answer

This answer is hidden. It contains 1 characters.