A particle is revolving in a circular path of radius $25 \,m$ with constant angular speed $12 \,rev/min$. Then the angular acceleration of particle is .......... $rad / s ^2$
A particle is revolving in a circular path of radius $25 \,m$ with constant angular speed $12 \,rev/min$. Then the angular acceleration of particle is .......... $rad / s ^2$
- A
$2 \pi^2$
- B
$4 \pi^2$
- C
$\pi^2$
- D
$0$
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$Assertion$ : Centripetal and centrifugal forces cancel each other.
$Reason$ : Centrifugal force is a reaction of centripetal force
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$Reason$ : Centrifugal force is a reaction of centripetal force
- [AIIMS 2011]