During a washing cycle, a washing machine uses 713W usefully. The machine also radiates 133W of sound, and 548W more is wasted as heat. Calculate the efficiency of the washing machine. Give your answer

asked Dec 2, 2024 163k views

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Step-by-step explanation:

eff = watts usefully / ( total watts used )

= 713 / (713+133+548) = .5115 51.15 % EFFICIENCY

Jnewbery answered Dec 8, 2024

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