The system is released from rest with the spring initially stretched 75 mm. Calculate the velocity of the block after it has dropped 12 mm. The spring has a stiffness of 1050 Nm^(-1). Neglect the mass of the small pulley.

The system is released from rest with the spring initially stretched 7

1.	The system is released from rest with the spring initially stretched 75 mm. Calculate the velocity of the block after it has dropped 12 mm. The spring has a stiffness of 1050 Nm^(-1). Neglect the mass of the small pulley.
Answer» `0.371 MS^(-1)` `0.45 ms^(-1)` `5 ms^(-1)` `2.2 m s^(-1)` ANSWER :A