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Grade: 11
        Find the distance travelled by the block. If the coefficient of friction vary as μ=cx.  Please see image
3 years ago

Answers : (1)

Vikas TU
11138 Points
							
Net Force on block = > 
F – uMg = Ma
F = M[cgx + vdv/dx]
vdv = Fdx/M  –  cgxdx
integerating both sides,
v^2/2 = Fx/M -cgx^2/2
v = root(2xF/M – cgx^2)
 
v would be zero at last.
hence, 2F/M – cgx = 0
or x = 2F/cgM
3 years ago
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