Which statement best summarizes the theory of evolution by natural selection? (A) Life must come from other life.
(B) Only the strongest animals survive.
(C) Parent organisms pass on traits they have acquired during their lifetime.
(D) Populations change over long periods of time.

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.