Jmartinez676 Jmartinez676

07-01-2021
Physics

contestada

A construction laborer holds a 20 kg sheet of wallboard 3 m above the floor for 4 seconds. During these 4 seconds how much power was expended on the wallboard

Respuesta :

NusrathC NusrathC

07-01-2021

Answer:

zero

Explanation:

no distance has moved while holding the sheet...so no distance means no workdone..no workdone means no power...

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