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.
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