A mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass of the spring and the pan is negligible. When pressed slightly and released the mass executes a simple harmonic motion. The spring constant is 200 N/m. What should be the minimum amplitude of the motion so that the mass gets detached from the pan (take g = 10 m/s 2 )?

1. A. 10.0 cm
2. B. any value less than 12.0 cm
3. C. 4.0 cm
4. D. 8.0 cm

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