cse • paper_1 • mechanicscse-2023-subject-01-007
Centre of mass — UPSC CSE 2023 Physics PYQ
Buy PYQ Solution Manual →(i) Prove that the separation of two colliding particles is same, when observed in centre of mass and laboratory systems. (ii) Determine the kinetic energy of a thin disc of mass 0\cdot5\text{ kg} and radius 0\cdot2\text{ m} rotating with 100 rotations per second around the axis passing through its centre and perpendicular to its plane.
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