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Consider a mass is attached to an ideal spring and is moving in SHM. No damping...

Consider a mass is attached to an ideal spring and is moving in SHM. No damping or frictions are considered

The system has an angular frequency of 20rad/s and spring constant of 2N/m  (consider the shift angle is zero)

  1. Determine the mass of the weight?
  2. Write down the acceleration equation in respect of time
  3. Sketch on the same axis the displacement, velocity and acceleration
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