The function of a capacitor in an electric circuit is to

A. allow current flow between its plates.

B. store electric charges.

C. increase circuit power.

D. measure the amount of current in the circuit.

A ham radio operator broadcasts at a frequency of 3.0 * 108 Hz. The speed of an electromagnetic wave is a constant, 3.0 * 108 m/s.

Which of the following dose not occur when two continental plates collide

What might motivate someone to study forensics

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False

What causes the phases of a new moon

Is the following sentence true or false? Some information about an object or process may be missing from a model.

If V is a velocity, l a length, and v a fluid property having dimensions of L2T-1, which of the following combinations are qualitatively dimensionless (show work for a through d) : (a) V l v (b) Vl/v (c) V2v (d) V / (l v)

What happens to the total mechnical energy of the apple as it falls from the tree?

Fair Bonus Question: Derive the equation for gravitational potential energy, starting with the definition of work.

A juggler throws a bowling pin into the air with an initial velocity. Another juggler drops a pin at the same instant.