![A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev/min . A listener standing some distance away in the plane of A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev/min . A listener standing some distance away in the plane of](https://dwes9vv9u0550.cloudfront.net/images/3551158/4e63b1ea-ef05-4e9b-8621-0bd7bf98caf4.jpg)
A whistle of frequency 500 Hz tied to the end of a string of length 1.2 m revolves at 400 rev/min . A listener standing some distance away in the plane of
![SOLVED: simple harmonic oscillator takes 10.5 s to undergo five complete vibrations (a) Find the period of its motion (b) Find the frequency in hertz. Hz c) Find the angular frequency in SOLVED: simple harmonic oscillator takes 10.5 s to undergo five complete vibrations (a) Find the period of its motion (b) Find the frequency in hertz. Hz c) Find the angular frequency in](https://cdn.numerade.com/ask_images/67f0a34fce4b450e932bf8a36c60ef54.jpg)
SOLVED: simple harmonic oscillator takes 10.5 s to undergo five complete vibrations (a) Find the period of its motion (b) Find the frequency in hertz. Hz c) Find the angular frequency in
![An electric motor of 12 horsepower, generates an angular velocity of 125 rad /s . What will be the frequency of rotation? An electric motor of 12 horsepower, generates an angular velocity of 125 rad /s . What will be the frequency of rotation?](https://dwes9vv9u0550.cloudfront.net/images/2220223/9b42df79-74a8-40e8-accd-536b0cc0e09d.jpg)