How fast was the bb going just before the collision

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In an experiment to find out the muzzle velocity of your BB gun, you fire a BB straight up into a wooden block of mass 0.050 kg. The BB has a mass of 0.0020 kg. The BB embeds itself in the block, and the BB+block rises to a maximum height of 0.94 m off the table.

(a) What was the kinetic energy of the BB+block just after the BB hit the block?

(b) How fast was the BB+block going just after the BB hit the block?

(c) How fast was the BB going just before the collision?

Reference no: EM13487149

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