Physics

Problem

Two springs of constants

100\,\text{N/m}

and

300\,\text{N/m}

are connected in parallel to a mass of

1\,\text{kg}

. The mass is pulled by

10\,\text{cm}

from the equilibrium position and released from rest. At the moment of release, what is the magnitude of the total restoring force acting on the mass?

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