Physics, asked by rahulguptaslg2721, 11 hours ago

two masses m and 2m are placed in a fixed horizontal circular smooth hollow tube of radius R as shown the mass m is moving with speed U and the mass 2 m is stationary after the first collision the time elapsed for next collision (coefficient of restitution= 1/ 2)

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Answered by aradhayasharma12345

0

option:2πr/u is correct

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