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![[Post New]](/templates/default/images/icon_minipost_new.gif) 18 Sep 2007 08:30:07 IST
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Plz help
Q. A heap of chain is lying on a horizontal table.A small section of the chain is released through a hole in the table. calculate the velocity as a function of the length of the chain hanging vertically.
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it is not important where u stand, but in which direction u are moving |
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18 Sep 2007 09:59:52 IST
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let the mass of the chain be = M
total lenght = L
whin l length hangs the centre of mass is at l/2
gain in KE = loss in PE
1/2*M*v^2 = l/L*M*l/2*g
v = l*(g/L)^1/2
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I like to be myself. |
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