Question: When the 10-lb plunger is released from rest in its vertical guide at = 0, each spring of stiffness k = 20 lb /in.

When the 10-lb plunger is released from rest in its vertical guide at θ = 0, each spring of stiffness k = 20 lb /in. is uncompressed. The links are free to slide through their pivoted collars and compress their springs. Calculate the velocity v of the plunger when the position θ = 30° is passed.

10 lb 6" 6"-

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