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The spring constant, k, for a 22cm spring is 50N/m. A force is used to stretch the spring and when it is measured again it is 32cm long. Work out the size of this force.the

Respuesta :

1) Convert cm in m
2) Elastic energy formula:
U=1/2kΔx²
U=1/2×50×(0.32-0.22)
U=25×0.1
U=2.5 J
gc65

Answer:

5N

Explanation:

if needed in newton's

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