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April 20, 2014

Homework Help: maths

Posted by Jess on Saturday, March 2, 2013 at 12:11pm.

A particle of mass 4 kg is attached to one end of an inelastic string and a particle of mass 2 kg is attached to the other end of the string.The string has length 4m and is hung over a smooth pivot at its midpoint. The Pivot lies 3m above the ground.How long does it take for one of the particles to hit the ground?

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