PLEASE HELP Two speakers create identical 288 Hz sound waves. A person is 1.47 m from Speaker 1. What is the minimum distance to Speaker 2 for there to be constructive interference at that spot?

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.