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A tunnel is dug in the earth across one of its diameter. Two masses m and 2m are dropped from the two ends of the tunnel . The masses collide and stick each other. They perform SHM, the amplitude of which is

(a) R

(b) R/2

(c) R/3

(d) 2R/3

1 Answer

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Best answer

Correct option (c) R/3

Explanation :

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