Asked by Anonymous
3.2 kg block is given an initial velocity of 12 m/s across horizontal surface. after travels 8 m speed is 2.4 m/s. determine coefficient of friction bewern block and surface and how far it travels before coming to rest
Answers
Answered by
bobpursley
lost KE=workbyfricton
1/2 m 12^2-1/2 m 2.4^2=mu*m*g*8
notice m divide out, solve for mu
1/2 m 12^2-1/2 m 2.4^2=mu*m*g*8
notice m divide out, solve for mu
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