Physics, 20.09.2019 00:30 Tahirahcooke8125
Achain 65 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and does not touch the ground. how much work is required to lift the top 4 meters of the chain to the top of the building? use that the acceleration due to gravity is 9.8 meters per second squared.
Answers: 2
is mass density 
![=\int_{0}^{4}\left ( 65-x\right )dx=\lambda g\left [ 65x-\frac{x^2}{2} \right ]^4_0](/tpl/images/0244/6404/7567c.png)
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Achain 65 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and doe...
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