# physics

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A loaded dogsled has a mass of 400kg and is being pulled across a horizontal, paced snow surface at a velocity of 4.0m/s (N). Suddenly, the harness separates from the sled. If the coefficient of kinetic friction for the sled on the snow is 0.0500, how far will the sled coast before stopping?

• physics -

Solve this equation for X:

Initial kinetic energy = work done aqainst friction

(1/2) M*Vo^2 = M*g *Uk * X

M cancels out. Uk = 0.050

• physics -

4 m

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