Identify velocity of b when it has moved downward

Reference no: EM13115833

The collar A slides on a smooth horizontal bar. the spring constant k = 40 lb/ft. the weights are Wa = 30 lb and Wb = 60 lb. At the instant shown, the spring is unstretched and B is moving downward at 4 ft/s. Use conservation of energy to determine velocity of B when it has moved downward 2 ft from its current position.

Reference no: EM13115833

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