a force of 250 N is required to stretch a spring 5 m from rest. Using Hooke's law, F=kx, how much work, in Joules, is required to stretch the spring 7 m from rest?

- March 26th 2010, 06:22 PMyoman360a force of 250 N is required to stretch a spring 5 m from rest. Using Hooke's law
a force of 250 N is required to stretch a spring 5 m from rest. Using Hooke's law, F=kx, how much work, in Joules, is required to stretch the spring 7 m from rest?

- March 26th 2010, 06:30 PMskeeter