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Suppose a vacuum cleaner uses 120 J of electrical energy is 45 J are used to pull air into the vacuum cleaner how efficient is the vacuum cleaner
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Suppose a vacuum cleaner uses 120 J of electrical energy is 45 J are used to pull air into the vacuum cleaner how efficient is the vacuum cleaner
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Jul 3, 2018
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Suppose a vacuum cleaner uses 120 J of electrical energy is 45 J are used to pull air into the vacuum cleaner how efficient is the vacuum cleaner
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Very efficient because it uses less then half to do the action then the vacuum actually stores.
Pjmanning
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Jul 9, 2018
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