The watt•second is a unit of

(1) power

(2) energy

(3) potential difference

(4) electric field strength

If element X has 33 protons, how many electrons does it have?

N 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami?

How do gravity assists in rock being transported to a new place

During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, a. both the intake and exhaust valves are closed. b. both the intake and exhaust valves are open. c.

I need a creative science fair title about how music affects your run

What is the purpose of a valve?

A particle travels 15 times around a 10-cm radius circle in 42 seconds. what is the average speed (in m/s) of the particle?

Where are the magnetic fields stronger near a bar magnet? A) Top B) Center C) Ends D) Bottom

You pull a simple pendulum of length 0.225m to the side through an angle of 3.50∘ and release it. Part A How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be 9.80 m/s^2.

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10m