What are similarities between Piaget and Erikson's work? Both are stage theorists.
Both study the emotional development of children.
Both relied on Freud's foundational work.
all of the above.

Apossible explanation for a set of facts that can be tested by further investigation is called

The two required components for a generator are

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.