The sun produces its heat by converting
energy to heat
heat to mass
energy to light
mass to energy

Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.

Which situation will produce the greatest change of momentum

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.