Rock A of mass M and another rock B of mass 2M are released from a height h above the ground. Upon impact which relationship correctly states the momenta of rocks A and B? Potential answers are in the image.

Which is a substance that can be separated by physical means and is not the same throughout

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.

Which if the following types of research is conducted on multiple occasions over time