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Length of spring is 8cm when mass is 4kg is hang on it its become 16cm what is its spring constant?

Respuesta :

Answer:

constant is 500 N/m

Explanation:

Extension, e = (16 - 8) = 8 cm

Force, F = (4 × 10) = 40 N

from hooke's law:

[tex]F = kx \\ 40 = (k \times 0.08) \\ k = \frac{40}{0.08} \\ \\ k = 500 \: newton \: per \: metre[/tex]

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