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A bob of mass 10m is suspended through a...

A bob of mass `10m` is suspended through an inextensible string of length `l`. When the bob is at rest in equilibrium position, two particles, each of mass `m`, strike it as shown in Fig. The particles stick after collision. Choose the correct statement from the following:

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The correct Answer is:
(a)`J=Deltap`=2.6 mu ; (b) 0.14u ; (c) 4.9 `m u^2`
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