A mass of 4.5 kg causes a 15-cm extension of a spring. Assuming that the acceleration of gravity is 10 m/s², the force constant of the spring is A) 3.0 N/m. B) 7.0 N/m. C) 30 N/m. D) 3.0 $\times$ 10² N/m.

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The Answer of A mass of 4.5 kg causes a 15-cm extension of a spring. Assuming that the acceleration of gravity is 10 m/s², the force constant of the spring is A) 3.0 N/m. B) 7.0 N/m. C) 30 N/m. D) 3.0 $\times$ 10² N/m.

A Mass of 4 ×\times× 102 N/m

A Mass of 4 $\times$ 10² N/m