Question: A block of mass m=4kg starts from point A with speed v_(0)=10mls and slides to B along a track that ascends through a height h=2m. What happens when the block runs into and compresses a horizontal re?

Options:
A) The block stops completely.
B) The block continues sliding without any change in speed.
C) The block bounces back in the opposite direction.
D) The block explodes upon impact.