Superposition is used to assign relative ages to rock layers, the newer layers on the bottom and the oldest layers on the top.

What happens whenever a net force acts on an object

Which represents a negative impact of technology

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point