In the following situations, which ball has the greatest kinetic energy?

a. a ping-pong ball rolling off the end of a ramp

b. a golf ball rolling off the end of a ramp

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

The discovery of the electron as a subatomic particle was a result of

As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?