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A 3.00 g bullet moving at 115 m/s strikes a 50.0 g stationary wooden block and...

A 3.00 g bullet moving at 115 m/s strikes a 50.0 g stationary wooden block and embeds itself in the block. The bullet is made of lead, and the specific heat of lead is 128 J/(kg · °C). Assume the thermal energy generated in the collision is equally distributed in the bullet and the block. (a) Calculate the rise of temperature (T) of the bullet if block is clamped in place so that it cannot move. (b) Calculate the rise of temperature (T) of the bullet if block is free to move (on frictionless surface).

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