An object at a height
of 18 m possesses potential energy of 529 J. What is the mass of the
object?
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Height ,h =18 m
Energy ,U = 529 J
we know that, Energy = Work done = mgh where m is mass of the object & g is gravitational acceleration due to Earth
Now, U = mgh => m = U/gh = 529J/9.8 (m/s2)x18m = 0.299 kg ~ 3 kg
Energy ,U = 529 J
we know that, Energy = Work done = mgh where m is mass of the object & g is gravitational acceleration due to Earth
Now, U = mgh => m = U/gh = 529J/9.8 (m/s2)x18m = 0.299 kg ~ 3 kg
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pe=mgh
so,m=pe/gh=2.99
so,m=pe/gh=2.99
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