A body of mass collides head-on elastically with a stationary body of mass . After the collision, the smaller body reverses its direction of motion and moves with a speed of . The initial speed of the smaller body before collision is _____ .
NVAMediumJEE Main 2023 · 25 January, Shift 2Elastic & Inelastic Collisions
Physics Question from JEE Main 2023 · 25 January, Shift 2
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