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A 5.50 g bullet is fired horizontally into a 1.40 kg wooden block resting on a...

A 5.50 g bullet is fired horizontally into a 1.40 kg wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.200. The bullet remains embedded in the block, which is observed to slide 0.230 m along the surface before stopping. Find the initial speed of the bullet.

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