JEE Main 27 July 2021 Shift 1 Solved Paper

Section: Physics

Question : 5 of 90

Marks: +1, -0

Three objects A, B and C are kept in a straight line on a frictionless horizontal surface. The masses of A, B and C are m, 2 m and 2 m respectively. A moves towards B with a speed of 9 m/s and makes an elastic collision with it. Thereafter B makes a completely inelastic collision with C. All motions occur along same straight line. The final speed of C is :

[27 Jul 2021 Shift 1]

6 m/s
9 m/s
4 m/s
3 m/s

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