What was the speed of the bullet at impact with block

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Q. An 11-g bullet is fired horizontally into a 110 g wooden block that is at first at rest on a frictionless horizontal surface and connected to a spring having spring constant 140 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a highest of 80.0 cm, what was the speed of the bullet at impact with block?

Reference no: EM1388762

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