A piece of kitchen aluminum foil is used to wrap food to be cooked in a barbecue fire One side of the foil is shiny, while other side is dull. Which side should be on the outside

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Which of the following are guidelines to follow for obtaining accurate observations

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.