Which statement is true? hydroelectric power is generated from moving water. oil, a renewable resource, is processed to make jet fuel. propane, a renewable resource, is used in some heating systems. geothermal energy can be converted to electricity in solar cells.

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

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.