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The attached figure shows the force-
extension graph for a spring. What is
the elastic potential energy stored in
the spring when extended from its
original length to 0.30 m?

The attached figure shows the force extension graph for a spring What is the elastic potential energy stored in the spring when extended from its original lengt class=

Respuesta :

pstnonsonjoku

The energy stored in the spring is 2.25 J.

Given that the energy stored in a spiral spring is E = 1/2 k e^2

Where;

E = energy stored in the spring

k = force constant

e = extension

We can obtain the force constant as the slope of the graph;

k = 25 - 5/0.5 - 0.1

k = 20/0.4

k = 50 N/m

Substituting into the equation when e = 0.3,

E = 1/2 × 50 × (0.30)^2

E = 2.25 J

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