Two masses m and 2m are attached to two ends of an ideal spring as shown in figure. When the spring is in the compressed state, the energy of the spring is 60 J, if the spring is released, then at its natural length,
Text Solution
Verified by ExpertsThe correct answer is:
B
According to law of conservation of momentum,
…(i)
According to law of conservation of energy,
= 60
= 60
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