When waves interact with an object, they will interfere with the object, and when waves interact with waves, they reflect off each other.

What happens in an elastic collision

Explain why the motto "Do whatever it takes to win!" may not be an ethical guideline to follow.

1. Pressure is a (n) pusing in all directions.

What is the defination of temperature

Willie's class found that the cart will move when pushed with 50 Newton's of force. When Willie pushes on the cart with 10 Newton's of force, why didn't the cart move?

The process that converts liquid to gas is melting true or false

A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mm Hg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mm Hg atmospheric pressure.

A packing crate rests on a horizontal surface. It is acted on by three horizontal forces: 600 N to the left, 200 N to the right, and friction. The weight of the crate is 400 N.

Which type of radiation has the lowest penetrating ability?

For which one of the following situations will the path length equal the magnitude of the displacement? a A ball on the end of a string is moving in a vertical circle. b A toy train is traveling around a circular track.