Here is the problem which I am struggling on, please help me!
Problem: Question Part Points Submissions Used When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.41 cm.
Part I: What is the force constant of the spring?
N/m
Part II: If the 2.00-kg object is removed, how far will the spring stretch if a 1.00-kg block is hung on it?
cm
Part III: How much work must an external agent do to stretch the same spring 9.20 cm from its unscratched position?
J
I need expert help to solve the above question.