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System shown in figure is released from rest . Pulley and spring is mass less and friction is absent everywhere. The speed of `5 kg` block when `2 kg` block leaves the constant of with ground is (force constant of spring `k = 40 N//m and g = 10 m//s^(2))` A. `sqrt(2)` m/sB. `2sqrt(2)` m/sC. 2 m/sD. `4sqrt(2) ` m/s |
| Answer» Correct Answer - B | |