Question: A rifle bullet of mass m strikes and is embedded in a block of mass M which is resting on a frictionless, horizontal surface

A rifle bullet of mass m strikes and is embedded in a

A rifle bullet of mass m strikes and is embedded in a block of mass M which is resting on a frictionless, horizontal surface and is attached to a spring of force constant k. (a) Find the speed of the block (with embedded bullet) immediately after the impact. (b) If the spring is compressed a distance d, what was the initial velocity of the bullet?

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