A mass of 2.0 kg is put on a flat plan 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/s²)

Options

(a) 10.0 cm
(b) Any value less than 12.0 cm
(c) 4.0 CM
(d) 8.0 CM

Correct Answer:

10.0 cm

Explanation:

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