mimi2341
mimi2341 mimi2341
  • 08-11-2017
  • Physics
contestada

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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PeacefulPassion
PeacefulPassion PeacefulPassion
  • 08-11-2017
Very efficient because it uses less then half to do the action then the vacuum actually stores.
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