Sunday
March 1, 2015

Homework Help: Calculus

Posted by HELP ASAP on Monday, May 12, 2014 at 11:01pm.

(i) A 20m chain with a mass-density of 3kg/m (coiled on the ground). How
much work is performed lifting the chain so that it is fully extended (and
one end touches the ground)?

(ii) How much work is performed to lift 1/4 of the chain?

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