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Oscillations — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsOscillations1 Mark
MCQ
A particle is executing simple harmonic motion given by $x=5 \sin \left(4 t-\frac{\pi}{6}\right)$. The velocity of the particle when its displacement is 3 units is .......
  • A
    $\frac{2 \pi}{3}$ units
  • B
    $\frac{5 \pi}{6}$ units
  • C
    20 units
  • ✓
    16 units
✓

Answer

Correct option: D.
16 units
16 units
solution :
$v=\omega \sqrt{ A ^2-y^2}=4 \sqrt{25-9}=4 \times 4=16$ units

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