Arock is dropped one off a bridge takes five seconds to hit the water. approximately what was the rugs velocity before the impact?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false