Asked by CeCe
                Calculate the gravitational potential energy of the water in a lake of volume 100km^3 (mass=1.0x10^14kg). The lake has an average height of 50m above the hydroelectric generators at the base of the dam holding the water back.
            
            
        Answers
                    Answered by
            bobpursley
            
    PE=mgh=massabove*g*50 Joules
    
                    Answered by
            sania
            
    mgh= 10^14*9.8*50=4.9*10^12
    
                    Answered by
            Anonymous
            
    oik
    
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