A piece of wood on top of an ocean wave stays in the same location, only moving up and down as the wave passes. It is energy that moves toward the shore. Is this clain true or false? Please explain your answer.​

In a system, when potential energy decreases, then entropy also decreases. true false

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Explain why electric current cannot exist if a current doesn't have a voltage source.