A harmonic osillator is represented by y=0.5cos (1500pi t+0.8) where 'y' and 't' are in 'm' and 's' respectively. Calculate (ii) frequency

A harmonic osillator is represented by y=0.5cos (1500pi t+0.8) where '

1.	A harmonic osillator is represented by y=0.5cos (1500pi t+0.8) where 'y' and 't' are in 'm' and 's' respectively. Calculate (ii) frequency
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a>, `y=0.5cos(1500pit+0.8)=0.5sin((pi)/(2)-1500pit-0.8)=0.5sin[-1500pit-(0.8-(pi)/(2))]` <br/> `y=-0.5sin[1500pit+(0.8-(pi)/(2))]` <br/> Now (ii) frequency `=(<a href="https://interviewquestions.tuteehub.com/tag/omega-585625" style="font-weight:bold;" target="_blank" title="Click to know more about OMEGA">OMEGA</a>)/(<a href="https://interviewquestions.tuteehub.com/tag/2k-300402" style="font-weight:bold;" target="_blank" title="Click to know more about 2K">2K</a>)=(1500pi)/(<a href="https://interviewquestions.tuteehub.com/tag/2pi-1838601" style="font-weight:bold;" target="_blank" title="Click to know more about 2PI">2PI</a>)=750Hz.`</body></html>