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When a block of mass M is suspended by a...

When a block of mass M is suspended by a long wire of length L, the elastic potential energy stored in the wire is `1/2xxstressxxstrainxxvolume. Show that it is equal to `1/2Mgl` where 1 is the extension. The loss in gravitational potential energy of the mass earth system is Mgl. Where does the remaining `1/2Mgl` energy go ?

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When a block of mass M is suspended by a long wire of length L, the elastic potential energy stored in the wire is 1/2xxstressxx strain xxvolume . Show that it is equal to 1/2Mgl where l is the extension. The loss in gravitational potential energy of the mass earth system is Mgl. Where does the remaining 1/2Mgl energy go ?

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