Question: b ) How much work W is done in pulling half the rope to the top of the building? How much work W is done

b)
How much work W is done in pulling half the rope to the top of the building?
How much work W is done in pulling half the rope to the top of the building? Show how to approximate the required work by a Riemann sum.
limn
n
xi =1
Express the work as an integral.
0
dx
Evaluate the integral.
ft-lb

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