A 47 efficient device uses chemical energy to generate
A 47% efficient device uses chemical energy to generate 550J of electric energy.
How much chemical energy is used?
A second device uses twice as much chemical energy to generate half as much electric energy. What is its efficiency?
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a certain gyroscope consists of a uniform disk with a 52 cm radius mounted at the center of an axle that is 12 cm long
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a 47 efficient device uses chemical energy to generate 550j of electric energyhow much chemical energy is useda
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if a 100 cm3 solid cube of alumina ceramic initially at 300 c is placed in 50 ml of h2o initially at 25c in a closed
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