Physics
Physics, 22.04.2020 21:58, gracie6313

A farmer uses a 400-W electric chainsaw continuously during 100 minutes of cutting
wood. The chainsaw is approximately 40 % efficient at converting energy.
How much energy did the chainsaw consume while cutting the wood?
point
0
2,400,000 J
0
2,400,000 MJ
O40000
O 40 000 MJ

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A farmer uses a 400-W electric chainsaw continuously during 100 minutes of cutting
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