Problem

The springs (k = 25 lb/ft) are unstretched when s = 0. The 50-lb weight is released from r...

The springs (k = 25 lb/ft) are unstretched when s = 0. The 50-lb weight is released from rest in the position s = 0.

(a) When the weight has fallen 1 ft, how much work has been done on it by each spring?
(b) What is the magnitude of the velocity of the weight when it has fallen 1 ft?

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Solutions For Problems in Chapter 15

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