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A bullet of mass m = 8.65 g is fired into a block of mass M...

A bullet of mass m = 8.65 g is fired into a block of mass M = 1.54 kg that is initially at rest on a rough surface as shown in the drawing below. (The coefficient of friction is 0.42 between the block and the surface.) The bullet ends up stuck in the block, and together they slide across the surface and come to rest.

If the combined object slides D = 1.34 m across the surface before stopping, what was the initial speed of the bullet?

Please walk me through the steps and formulas used

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