Please!!!! Fast !!!! Urgent !!!! answer this question note- you have to find work done by friction not by the force to make the body move
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coefficient of friction ?
250 is answer???
Yes please tell solution
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-650j means opposit direction of the work done by force
Please tell solution
w=fdscosθ,-50×13×1=_650j(here is -50,because friction force do work in the opposit direction of force by man)
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work = forse . displacement
w = f.d = fdcosthetha
w = 50 × 13 cos180
w = 650 × (-1)
w = -650joule
w = f.d = fdcosthetha
w = 50 × 13 cos180
w = 650 × (-1)
w = -650joule
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