What do the different colors in a line spectrum represent?

What cause air pressure? Why do aircraft need pressurized cabins?

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance, after 6 s: How fast (speed) would it be traveling (in m/s) ?

Why are the action and reaction forces described by Newton's third law of motion excluded in the free-body diagram of an object? A. They are equal and opposite, so they cancel one another. B.

You notice a solid air freshener seems to disappear over time. you think it must be changing into a gas. this is an example of

How much longer does it take to inflate a balloon to a diameter of 28 inches instead of a diameter of 7 inches. assume the rate that air enters is constant?

What is the difference between negative displacement and negative velocity?

How to use Da Vinci flying pedulum clock

A 7.00 kg mass is being pulled by a 53.8 n force what is the acceleration

2. How is temperature related to kinetic energy?

As stream velocity decrease, which factor will likely increase? A) erosion of the stream bank B) deposition of material in the stream C) amount of material carried downstream D) size of the particles carried downstream