Describe how light radiation leaves a star, travels through the vacuum of space, and finally is seen by someone on earth.

You have been asked to recommend a alternative source of energy that your town could use to generate electricity. Describe the renewable resource that you believe would be best for your town.

A baseball player slides into second base. What happens to his momentum?

In the sum →A+→B=→C, vector →A has a magnitude of 12.0 m and is angled 40.0° counterclockwise from the + x direction, and vector →C has a magnitude of 15.0 m and is angled 20.0° counterclockwise from the - x direction.

What happens if you move a magnet near a could of wire

Maximum number of electrons that are possible at a given energy level depends on the number of

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2

Contrast balanced and unbalanced forces.

A wave will travel only as long as it has energy