ifos โข paper_1 โข mechanics
[UPSC IFoS 2025] Special Theory of Relativity (Q318, 8M)
Two particles each of rest mass 1\text{ gm} collide head-on with the speed 0\cdot 8\text{c} to stick together at rest. Find the mass of the final composite.
Two particles each of rest mass 1\text{ gm} collide head-on with the speed 0\cdot 8\text{c} to stick together at rest. Find the mass of the final composite.
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