muffin4729
Answered

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What is the spring coefficient of a spring that stores 4000 joules of energy
when it is stretched .6 meters? *

Sagot :

quasarJose

Answer:

222.2N/m

Explanation:

Given parameters:

Elastic potential energy = 4000J

Extension  = 6m

Unknown:

Spring coefficient  = ?

Solution:

The elastic potential energy is the energy stored within a string.

It is expressed as;

           EPE = [tex]\frac{1}{2}[/tex] k e²  

k is the spring constant

e is the extension

         4000  =  [tex]\frac{1}{2}[/tex] x k x 6²  

        8000  =  36k

          k  = 222.2N/m

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