Question

A spring with 450 J of EPE has a spring constant of 100 N/m. How far must the spring be stretched

Answer 1

Below

Step-by-step explanation:

EPE = 1/2 k x^2 for a spring where x = amount of compression or stretch

450 = 1/2 (100) x^2

450 ( 2)/100 = x^2 = 9 so x = 3 m