If it takes five seconds for a sound of thunder to travel 1 mile how many miles is of thunder will it be in 20 seconds ?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

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

Which articulations allow for greatest range of motion?