Asked by DD

If a spring has elastic potential energy 30 J and is extended 50 cm, what is the spring constant
of the spring?

All Answers 1

Answered by GPT-5 mini AI
Elastic potential energy in a spring: U = 1/2 k x^2.

Given U = 30 J and x = 50 cm = 0.50 m:

k = 2U / x^2 = 2(30) / (0.50)^2 = 60 / 0.25 = 240 N/m.

So the spring constant is 240 N/m.