Alight spring with spring constant 1300 n/m hangs from an elevated support. from its lower end hangs a second light spring, which has spring constant 1700 n/m. an object of mass 1.50 kg is hung at rest from the lower end of the second spring.(a) find the total extension distance of the pair of springs.= m(b) find the effective spring constant of the pair of springs as a system. we describe these springs as in series.= n/m