3 /143 SS A 2-oz bullet is fired horizontally with a velocity v1 = 180

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3 /143 SS A 2-oz bullet is fired horizontally with a velocity v1 = 1800 ft/sec into the 6−lb block of soft wood initially at rest on the horizontal surface. The bullet emerges from the block with the velocity v2 = 1200 ft/sec, and the block is observed to slide a distance of 8 ft before coming to rest. Determine the coefficient of kinetic friction μk between the block and the supporting surface.

3 /143 SS A 2-oz bullet is fired horizontally with a velocity v1 = 1800 ft/sec into the 6−lb block of soft wood initially at rest on the horizontal surface. The bullet emerges from the block with the velocity v2 = 1200 ft/sec, and the block is observed to slide a distance of 8 ft before coming to rest. Determine the coefficient of kinetic friction μk between the block and the supporting surface.

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3 / 143

SS A 2-oz bullet is fired horizontally with a velocity

v_{1} = 1800 ft / \sec

into the

6 - lb

block of soft wood initially at rest on the horizontal surface. The bullet emerges from the block with the velocity

v_{2} = 1200 ft / \sec

, and the block is observed to slide a distance of 8 ft before coming to rest. Determine the coefficient of kinetic friction

μ_{k}

between the block and the supporting surface.

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