A 0.015-kg bullet is fired into a stationary block of wood of mass of 4.71 kg. The relative speed of the bullet with respect to the wood is zero after collision (The bullet becomes embedded in the block of wood). What is the speed of the bullet-plus-wood combination immediately after collision if the speed of the bullet before collision is 469 m/s? ans in 2 decimal places and with units of m/s.

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