Calculate how much energy is lost

Reference no: EM13330251

One fires a bullet (m=50g) at a block of wood (m=2kg) resting on a frictionless surface. The initial velocity of the bullet is 400 m/s. After passing through the block, its velocity is 100 m/s. What is the velocity of the block? How much energy is lost?

Reference no: EM13330251

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