When a 2.50kg object is hanging vertically on a lightspringdescribed by hooke's law the spring stretches 2.76cm.
a) What is the force constaint of the spring
b) If the 2.50kg object is removed and a 1.25kg block replacesit how far would the spring stretch.
c) How much work must an external agent do to stretch the samespring 8.00cm from its unstretched position.