Write an expression using variables provided for force applied by student

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It takes a student t = 8.8 s to push a block m = 11 kg at a constant velocity over a distance of d = 9.1 m. The coefficient of friction between the block and the ground is μ = 0.31. 

give equation Fs in terms of t, m, d, and μ

Oct 18th, 2017

a) F = friction

F = u*mg

F = 0.31*9.8*11 = 33.41 N

Write an expression using variables provided for force applied by student

b) energy required = F*d

E= f*d

E = 33.41*9.1 = 304 J

c) power = E/t = 304/8.8 = 34.54 W

please choose me i am waiting

Jul 22nd, 2014

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