1.

A wheel is rotating with angular velocity 2 rad/s. It is subjected to a uniform angular acceleration 2 rad/s2 then the angular velocity after 10s is

Answer»

12 rad/s
20 rad/s
22 rad/s
120 rad/s

Solution :`OMEGA= omega_(0)+alphat`
Here `omega_(0)=2 "rad"//s^(2) t=10s`
`omega=2+2xx10=22 "rad"//s`


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