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Statement of a problem № 2600

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A 50-g mass hangs at the end of a Hookean spring. When 20 g more is added to the end of the spring, it stretches 7.0 cm more. (a) Find the spring constant. (h) If the 20 g is now removed, what will be the period of the motion?

Solution:
A 50-g mass hangs at the end of a Hookean spring. When 20 g more is added to the

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