The displacement $x$ (in metre) of a particle in, simple harmonic motion is related to time t (in seconds) as

$x = 0.01\cos \left( {\pi \,t + \frac{\pi }{4}} \right)$

The frequency of the motion will be

  • A$0.5\, Hz$
  • B$1.0 \,Hz$
  • C$\frac{\pi }{2}\,Hz$
  • D$\pi \,Hz$
Easy
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