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A Block of Iron of Mass 400 Kg is Used as a Pile Driver. If It is Raised to a Height of 20 Meters, Calculate the Potential Energy Possessed by the Iron Block. (Assume G= 10 Ms-2). - Physics

Numerical
A block of iron of mass 400 kg is used as a pile driver. If it is raised to a height of 20 meters, calculate the potential energy possessed by the iron block. (Assume g= 10 ms-2).
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Solution

Given, mass m = 400 kg, height = 20 m, g = 10ms-2

P.E = mgh = (400) (10) (20) = 80000 J

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Frank ICSE Class 10 Physics Part 2
Chapter 1 Force, Work, Energy and Power
Exercise | Q 17 | Page 59
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