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Two points \mathrm{P \: and\: Q}, diametrically opposite on a disc of radius \mathrm{R}, have linear velocities \mathrm{v\: and\: 2 v} as shown in figure. The angular speed of the disc is:-

 

Option: 1

\mathrm{\frac{v}{R}}


Option: 2

\mathrm{\frac{2v}{R}}


Option: 3

\mathrm{\frac{v}{2R}}


Option: 4

\mathrm{\frac{v}{4R}}


Answers (1)

best_answer

Use ,Angular speed

\omega=\frac{v}{R}

\mathrm{\omega=\frac{2v-v}{2R}}

\mathrm{\omega=\frac{v}{2R}}

 

Posted by

Pankaj Sanodiya

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