A construction worker puts 20 J of energy in to one strike of his hammer on the head of a nail. The energy transferred to driving the nail into the wood is 8.0 J. What is the efficiency of the construction

asked Aug 4, 2022 71.0k views

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4 votes

Answer:

The efficiency of the constuction is 9.0

Step-by-step explanation:

Jens H answered Aug 8, 2022

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