lmartinezlopez917 lmartinezlopez917

20-10-2020
Physics

contestada

To pull a nail out of a wood board a carpenter does 1000 J of work. The hammer he uses does 835 J of work. What is the efficiency of the hammer?

Respuesta :

nawari97 nawari97

22-10-2020

Answer:

83.5%

Explanation:

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