Jim pushes hard on a rock that weighs 500 pounds. He pushes with a force of 50 pounds, but the rock doesn't move. How much work did Jim do?

The steps in the formation of sedimentary rocks are listed below in an incorrect order. 1. Rocks are weathered. 2. The sediments are compacted together. 3. They are deposited in layers. 4. Small pieces of rocks are carried by water.

Withe light becomes a spectrum of seven colored lights after passing through a prism

Define the term "force".

A student pulls a 60 kg sled with a force of magnitude of 20 newtons. What is the magnitude of the acceleration on the sled?

Why is it easy to remove air from balloon and difficult from glass bottle

A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute system and the drag force exerted on the system are equal in magnitude.

Consider the expression below. Assume m is an integer. 6m (2m + 18) Enter an expression in the box that uses the variable m and makes the equation true. (Simplify your answer completely. If no expression exists, enter DNE.)

What could be put into the center section of this Venn diagram?

Give two factors that will increase the magnetic field strength of an electromagnet

What is an example of total internal reflection at work?