Asked by Wes

It is summertime and two boys cannot wait for winter. one boy exerts a 70 N
horizontal force as he pushes his 58 ig friend on a snowboard across a cement sidewalk at a constant speed. what is the coefficient of kinetic between the sidewalk and the snowboard?

Answers

Answered by bobpursley
constant speed? No acceleration, so friction= pushing force

70N= mu*58*g
solve for mu.
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