A 2 kg metal ball is rolling down a ramp which has 22 degree with ground. Calculate the acceleration of the ball.

What statements accurately describe atoms

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.