The gravitational field strength on the earth is 10 N/kg. The gravitational field strength on the moon is 1.6 N/kg. If an object has a weight of 64N on the moon what is its weight on the earth? A)16N
b)400N
c) 640N
d)1024N

The differences between  a compression wave and a transverse wave?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.