. A block of mass 100 gm slides on a rough horizontal surface
If the speed of the block decreases from 10 m/s to 5 m/s, the thermal energy developed in the process is
A. 3.75 J
B. 37.5 J
C. 0.375 J
D. 0.75 J
Best Answer
Ans: A
Thermal energy developed = Loss in kinetic energy =
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