MCQ
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$\pi^2$
- ✓$0$
Angular acceleration is the rate of change of angular speed or angular velocity if $\vec{\omega}$ remains constant then
$\alpha=0$
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${z_1} = a\cos (kx - \omega \,t)$.....$(A)$
${z_2} = a\cos (kx + \omega \,t)$.....$(B)$
${z_3} = a\cos (ky - \omega \,t)$..... $(C)$
