Asked by cody
                500 J of work are done in 4 seconds to lift a 40 kg box to the top of a high shelf. How much power was required to complete the lift
            
            
        Answers
                    Answered by
            bobpursley
            
    power=work/time=500/4  watts
    
                    Answered by
            Anonymous
            
    Power = energy or work / time
500 J/4 s = 125 Watts
    
500 J/4 s = 125 Watts
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