If the block is pulled by a distance x and left, the block will start oscillating. The…

Physics · JEE Main · NTA Exams — Oscillations and Waves

If the block is pulled by a distance x and left, the block will start oscillating. The value of x, so that at a moment when speed of the block become zero the spring become unstretched.
  

1. \(\frac{\mathrm{mg}}{2 \mathrm{k}}\)
2. \(\frac{2 \mathrm{k}}{\mathrm{mg}}\)
3. \(\frac{\mathrm{mg}}{\mathrm{~kg}}\)
4. \(\frac{2 \mathrm{mg}}{\mathrm{k}}\)

Answer

(D) 2 mg k

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