A diver is 25m below the surface of the sea. Calculate the pressure acting on the diver due to the sea water. Density of sea water is 103,000 kg/ m3

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

In science and physics what is the standard unit of measure for speed?

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