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From a vertical spring with spring constant of 110 ?/?, a 1.1−?? object is suspended. (a)...

From a vertical spring with spring constant of 110 ?/?, a 1.1−?? object is suspended. (a) Find the amount by which the spring is stretched from its unstrained length. (b) The object is pulled straight down by an additional distance of 0.20 ? and released from rest. Find the speed with which the object passes through its original position on its way up.

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