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JEE Advanced Model Paper 15 with solutions for online practice

Question : 15

Total: 60

minimum value of v for which ball A reaches its initial point of release in one collision is √60
Minimum value of v for which ball A reaches its initial point of release is zero
for |v| < √160 m/s ball A reaches its initial point of release after even number ofcollisions with ball B
for ball A reaches its initial point of release after odd number of collisions with ball B

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