Question

If a spring stores 5 J of energy when it's compressed by 0.5 m, what is the

spring constant of the spring?
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A. 800 N/m
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B. 80 N/m
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c. 40 N/m
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D. 400 N/m

Answer 1

c. 40 N/m

Step-by-step explanation:

EE = ½ kx²

5 J = ½ k (0.5 m)²

k = 40 N/m