Find the magnitude, in joules, of a single quantum of energy in the radio signal broadcast at 1160 kHz on the AM dial. Show your work.

Anybody wanna ? (picture included? )

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

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =