What is asexual reproduction ?

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

Estimate of the number of stars in our galaxy

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving