Question: A sled slides along a horizontal surface for which the coefficient of kinetic friction is 0.25 . Its velocity at point (A) is (8.0 mathrm{~m}

A sled slides along a horizontal surface for which the coefficient of kinetic friction is 0.25 . Its velocity at point $A$ is $8.0 \mathrm{~m} / \mathrm{s}$ and at point $B$ is $5.0 \mathrm{~m} / \mathrm{s}$. Use the impulse-momentum theorem to find how long the sled takes to travel from $\mathrm{A}$ to $\mathrm{B}$.

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