Question:
A wheel has angular acceleration of $3.0 \,rad/sec^{-2}$ and an initial angular speed of $2.00\, rad\,s^{-1}$. In a time of $2\, s$ it has rotated through an angle (in radian) of
A wheel has angular acceleration of $3.0 \,rad/sec^{-2}$ and an initial angular speed of $2.00\, rad\,s^{-1}$. In a time of $2\, s$ it has rotated through an angle (in radian) of
Updated On: May 25, 2022
- 10
- 12
- 4
- 6
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The Correct Option is A
Solution and Explanation
$\theta=\omega t +\frac{1}{2} \,\alpha t ^{2}=(2)(2)+\frac{1}{2}\,(3)(2)^{2}$
$=4+6=10 \,rad$
$=4+6=10 \,rad$
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