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Which statement is correct about a flashlight battery? a. light energy and heat energy are created by it. b. the total energy of the system decreases. c. its chemical energy is transformed into light energy. d. chemical energy is destroyed when the flashlight stops working.
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An object is kept at 45 m high and how much time will it take to reach the ground
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Which statement is correct about a flashlight battery? a. light energy and heat energy are created...
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