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![[Post New]](/templates/default/images/icon_minipost_new.gif) 14 Jan 2008 16:58:40 IST
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suppose there is a uniform rod of mass m and length 'l' kept in vertical position which is hinged at one of the ends.A particle of mass m moving initially with velocity u comes and hits the rod .What must be height from the hinge(below) where the particle must hit the rod so that the hinge force is minimum.coeffiicient of restitution is e.
have guts to solve it!!!!!!!!!!!!!!
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14 Jan 2008 17:22:47 IST
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h=2l/3 , it is the centre of percussion or "sweet spot"
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16 Jan 2008 14:22:43 IST
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how
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