A compressed spring has 16.2 J of elastic potential energy when it is compressed 0.30 m. What is the spring constant of the spring?

Question

Physics

Greta Zimmerman

26 April, 08:16

A compressed spring has 16.2 J of elastic potential energy when it is compressed 0.30 m. What is the spring constant of the spring?

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Answers (1)

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Maurice Coleman · Answer 1

It is equal to the work done to stretch the spring, which depends upon the spring constant k as well as the distance stretched. It is expressed as:

PE = W = 1/2 (kx^2)

16.2 = 1/2 (k (0.30) ^2)

k = 360 J/m^2

Hope this answers the question. Have a nice day.