What would be the period of the system if the mass were two times the original mass?.

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

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Ascientific blank must be testable and capable of being proven false?