The displacement x (in metres) of a particle performing simple harmonic motion is related to time t (in seconds as} x=0.05cos(4πt+π4). The frequency of the motion will be
A
0.5Hz
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B
1.0Hz
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C
1.5Hz
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D
2.0Hz
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Solution
The correct option is D2.0Hz Comparing the given equation with the standard equation of SHM i.e. y=asin(ωt+ϕ)
y=0.05sin(π2−(4πt+π4))
y=0.05sin(π4−4πt)
So, the angular frequency of the oscillation will be: