Physics, 19.05.2020 02:22 drobledo9

A vacuum cleaner has an energy input of 6.5 kWh and an
energy output of 5.8 kWh.
The efficiency of the vacuum cleaner, to the nearest
percentage, is
%.

Answers: 2

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A vacuum cleaner has an energy input of 6.5 kWh and an
energy output of 5.8 kWh.
The eff...