An 85 kg object is moving at a constant speed of 15 m/s in a circular path which has a radius of 20 meters. what centripetal forces is exerted on the body

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

By what primary heat transfer mechanism does the sun warm the earth?