A toy car is tied to a post with string, causing it to drive in a tight circle. This is shown in the picture below

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.