Task id16467
A lead pellet flying at a speed v1 = 100 m/s pierces the board and flies out of it at a speed v2 = 60 m/s How much will the pellet heat up if we assume that a = 0.4 of the lost kinetic energy is used to increase its internal energy? Specific heat capacity of lead c = 125 J/(kg K).
Detailed solution. Format gif
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