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JEE Main2005PhysicsLaws of MotionActual

A particle of mass 0.3 ~kg is subjected to a force F=-k x with k=15 ~N / m . What will be its initial acceleration if it is released from a point 20 ~cm away from the origin?

Options

  1. A3 ~m / s ^2
  2. B15 ~m / s ^2
  3. C5 ~m / s ^2
  4. D10 ~m / s ^2

Correct answer

D. 10 ~m / s ^2

Step-by-step solution

a= k x m =10 ~m / s ^2

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