Energy spreading out from a bright object is --------------- energy., sound, light, thermal, chemical, Systems that can store large amounts of energy are called __________ ., energy resources, energy reserves, energy repositories, energy receptacles, Most all energy comes to and leaves Earth in the form of, nuclear energy, chemical energy, radiant energy, sound energy, Which two energy transfer are contained in the figure?, sound and chemical, sound and kinetic , sound and electrical, electrical and GPE, What is the main difference between energy stores and energy transfer?, Energy stores refer to the movement of energy, while energy transfer refers to where energy is stored., Energy stores refer to where energy is stored, while energy transfer refers to the movement of energy between stores., Energy stores involve only mechanical energy, while energy transfer involves all forms of energy., Energy stores and energy transfer are the same concepts., Which of the following is an example of kinetic energy?, A stretched spring, A hot cup of tea, A moving bicycle, A battery, Nuclear power plants produce energy through:, Combustion, Evaporation, Condensation, Fission, In a motorcycle engine, chemical energy is converted primarily into:, kinetic and GPE, sound and heat, kinetic and heat, kinetic and sound, Geothermal energy comes from:, Ocean waves, Earth’s internal heat, Wind currents, Chemical reactions, Hydrogen is considered environmentally friendly because it:, Produces no pollutants when used, Is very heavy, Is radioactive, Cannot burn, In a washing machine uses 900 J is useful and 300 J is wasted, what is the efficiency of the washing machine?, 30 %, 75 %, 25%, 33 %, (a) A worker raises a 75.0 kg sack vertically upward through a height of 1.2 m. Calculate the work done against gravity., 882 J, 600 J, 784 J, 828 J, (b) Find the maximum speed of the sack when it falls back to the floor., 4.85 m s−2, 8.45 m s−1, 8.45 m s−2, 4.85 m s−1, A girl throws a ball upwards. The ball has mass of 0.2 kg and it leaves her hand with a speed of 0.8 m/s. Determine how high it will rise., 2.7 m, 2.7 cm, 3.3 m, 3.3 cm, Which of the following energy resources does not depend on sunlight?, hydroelectric, coal, wind, tidal.

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