Homework Answers
The block stopped due to retardation imposed by friction,
Work done to overcome friction = Heat generated
Initial energy = 5 (9.8) 12 sin 15 + 1/2 ( 5)(8)^2 = 172.68 J
Final Energy = 0
Heat generated = 172.68 J
S ( entropy
chnage0 = 172.68/ (300 K) = 0.5756 J/K
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