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A light spring having spring constant 1300 N/m suspends from an elevated support. From its lower end suspend a second light spring, which consists of spring constant 1700 N/m. The object of mass 1.50 kg is hung at rest from the lower end of the second spring.

(i) Determine the net extension distance of the pair of springs.

(ii) Determine the efficient spring constant of the pair of springs as a system. We explain these springs as in series.

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