Part A Scientists have made a coating that makes an object invisible. However, it doesn't work perfectly. What's the main
problem with the invisibility coating?

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

Human population projections are subject to change due to fluctuations in global fertility and mortality rates

How did world cup soccer become cool?