What can be found by counting the number of troughs per second in a wave diagram? amplitude direction frequency speed wavelength nextreset

Me pl 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.

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.

The strong nuclear force acts over a small distance than the electrostatic force. true or false