cse • paper_1 • mechanics
[UPSC CSE 2000] Rigid Body Dynamics (Q238, 20M)
Ram and Shyam are two skaters weighing 40\text{kg} and 60\text{ kg} respectively. Ram travelling at 4\text{ m/s} meets Shyam travelling at 2\text{ m/s} in opposite direction and collides head-on.
(i) If they remain in contact what is their final velocity ?
(ii) How much kinetic energy is lost ?
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