What are the two major characteristics that change when air is heated and cooled? How do these characteristics change the movement of air?

Describe three events you cannot explain.

A girl delivering newspapers travels one block west then three blocks north then five blocks east. what is her resultant displacement?

Is Racism Good or Bad? Why? (Explain)

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

The energy of the ball has been released by joules after bouncing back. This reduction happens because potential energy transforms to energy.

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light