Post a New Question

calc/physics

posted by on .

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

The energy required scales with x^2.
Multiply 250 J by (7/5)^2.

  • calc/physics - ,

    350 J

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question