a. Calculate the speed of combined object directly after the bullet is stuck inside the block. b. Calculate the lost kinetic energy in this collision. c. Calculate the coefficient of kinetic friction between the wooden block and the rough surface.

a. Calculate the speed of combined object directly after the bullet is stuck inside the block. b. Calculate the lost kinetic energy in this collision. c. Calculate the coefficient of kinetic friction between the wooden block and the rough surface.

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