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Two blocks of masses m1=1kg and m2 = 2kg...

Two blocks of masses `m_1`=1kg and `m_2` = 2kg are connected by a spring of spring constant k = 24 N/m and placed on a frictionless horizontal surface. The block `m_(1)` is imparted an initial velocity `v_(0)` = 12cm/s to the right. The amplitude of oscillation is

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