Uniform angular retardation: rotations, angle or retardation before stopping

1. A.
   3
2. B.
   6
3. C.
   9
4. D.
   12

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1. A.
   $\frac{\alpha}{\beta}$
2. B.
   $\frac{\alpha^{2}}{\beta}$
3. C.
   $\frac{\alpha^{2}}{2\beta}$
4. D.
   $\frac{\alpha}{2\beta}$

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1. A.
   $\dfrac{2\pi}{3}$
2. B.
   $\dfrac{\pi}{4}$
3. C.
   $\pi$
4. D.
   $\dfrac{\pi}{6}$

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