The Kinetic energy of a simple hormonic oscillating with angular frequency of 176 rad/s. The frequency of the simple harmonic oscillator is −Hz(π=22/7)
Options
176
14
28
88
Correct Answer :
Solution :
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The correct option is 88.
Step-by-Step Explanation:
In a simple harmonic motion (SHM), the displacement of the oscillator as a function of time t is given by: x(t)=A sin(ωt+φ) where ω is the angular frequency of the simple harmonic oscillator.
The velocity of the oscillator is: v(t)=dxdt=Aω cos(ωt+φ)
The kinetic energy (KE) of the oscillator is given by: KE=12mv2=12mA2ω2cos2(ωt+φ)
Using the trigonometric identity cos2θ=1+cos(2θ)2, we can rewrite the kinetic energy as: KE=14mA2ω2[1+cos(2ωt+2φ)]
This shows that the kinetic energy oscillates at twice the angular frequency of the simple harmonic oscillator: ωKE=2ω
We are given that the kinetic energy oscillates with an angular frequency of: ωKE=176 rad/s
Substituting this value into the relationship: 176=2ω
Solving for the angular frequency of the simple harmonic oscillator (ω): ω=1762=88 rad/s
Thus, the corresponding value for the oscillator's angular frequency is 88.
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