Potential energy test review, Exercises of Physics

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Name: Energy Quiz Date: The diagrams below show a model airplane. propeller _— propelicr rubber —— band ee before winding tubber band after winding rubber band Which energy transformation occurs in a rubber band powered model airplane when it is flown? 9 fo DB > Thermal energy stored in the rubber band is transformed into chemical energy used by the propeller, Kinetic energy stored in the rubber band is transformed into thermal energy used by the propeller. Chemical energy stored in the rubber band is wansformed into potential energy used by the propeller. Potential energy stored in the rubber band is transformed into mechanical energy used by the propeller. Which of the following converts electrical energy into motion? A. light switeh B. electric stove Cc. light bulb D. electric fan 3. A high diver steps off a diving platform that is 10 meters above the water. If no air resistance is present, during the fall there will be a decrease in the diver’s A. gravitational potential energy. B. total mechanical energy. Cc. kinetic energy. D. momentum. page 1