26 POINTS!! will give brailest! can anyone help me? if you can't well, Merry Christmas!

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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

The material that keeps its new shape after it is stretched is called?