Chemistry, 29.12.2019 07:31 alecnewman2002

Anouk does 150 j of work using a hammer to pull a nail out of a piece of wood, and the hammer does 105 j of work on the nail. what is the efficiency of the hammer? 1.4% 7% 70% 143%

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Anouk does 150 j of work using a hammer to pull a nail out of a piece of wood, and the hammer does 1...