We cab calculate work because we know the force and distance. what else would we need to know to calculate power

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

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

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter