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[" Two masses "m" and "2m" are attached ...

[" 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 "],[60J" ,if the spring is released,then at its natural "],[" length "],[" (a) energy of smaller body will be "40J],[" (b) energy of smaller body will be "40J],[" (d) energy of both the bodies will be same "]

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