Suppose you needed to build a raft to cross a fast-moving river. Describe the physical and chemical properties of the raft that would be important to ensure your safety.

A very long straight current-carrying wire produces a magnetic field of 25 µT at a distance d from the wire. How far will the magnetic field due to this wire be 2.8 µT.

Which way do your feet need to push on the floor in order to jump forward?

A train travels 90 kilometers in 1 hours, and then 60 kilometers in 3 hours. What is its average speed

Why would you want a gold ring rather than a copper ring? (I know gold is more valuable)

What is the most common feature on the far side of the Moon?

Two planes leave wichita at noon. One planes flies east 30m/h faster than the other plane, flying east at what time will they be 1200 mi apart?

Red, blue, and green are called a __ __ __ __ __ __ __ primary colors because when they are added together, they form all of the colors of the spectrum.

What is it called after data is collected they are often arranged in a what?

If you have a pci express version 2 video card, how many pins will the power connector have if the card requires extra power?

As ocean waves get closer to the shore they slow down. This slowing causes them to bend and come in close to parallel with the shore. This is because shallow water and deep water can be thought of as two different media.