Physics

Problem

Two light springs of force constants

100\,\text{N}\,\text{m}^{-1}

and

150\,\text{N}\,\text{m}^{-1}

are connected in series to support a

0.25\,\text{kg}

mass. The mass is displaced by

0.04\,\text{m}

from the equilibrium position and released. a. (i) Find the effective force constant of the spring system. b. (ii) Calculate the magnitude of the restoring force acting on the mass at this displacement.

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