6. A negative charge of -2.0x104C and a positive charge of 8.0*10*C are separated by 0.30 m. What is the force between the two charges?

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