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A bullet of mass 20xx10^(-3)kg enters in...

A bullet of mass `20xx10^(-3)kg` enters into a fixed block of wood with a velocity of `100ms^(-1)` and is brought to rest in the wood. Calclate the rise in temperature of te bullet if two -third of the heat produced is absorbed by the bullet. (Specific heat capacity of lead `=32calkg^(-1)K^-1)` and `J=4.2J//"callorie"`)

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