a child clibs a wall of height 4m he now posses a potential energy of 1600 j what is the mass of the child
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h = 4m
Potential energy = 1600J
we know,
Potential Energy = mgh
1600 = m×10×4
1600 = 40m
m = 1600/40
m = 40
Mass of child = 40kg
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