PLEAES HLEP ME ASAP.! 2. Answer the question below. Use the rubric in the materials for help if needed.
Describe the units of measurement that are used primarily to describe astronomical distances. Use details to support your answer.

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Idon’t quite understand this problem

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