$A$ merry-go-round rotating at a constant angular speed completes $9$ rotations in $18$ seconds. What is its angular speed?
- A$\pi / 2 \text{ rad/s}$
- B$\pi \text{ rad/s}$
- C$2\pi \text{ rad/s}$
- D$3\pi \text{ rad/s}$
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Similar Questions
In uniform circular motion:
$(i)$ The magnitude of velocity is constant.
$(ii)$ The velocity vector is constant.
$(iii)$ The direction of velocity is constant.
Select the correct statement.
$(i)$ The magnitude of velocity is constant.
$(ii)$ The velocity vector is constant.
$(iii)$ The direction of velocity is constant.
Select the correct statement.
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View Solution$A$ particle is performing $U.C.M.$ along the circumference of a circle of diameter $50 \ cm$ with a frequency of $2 \ Hz$. The acceleration of the particle in $m/s^2$ is:
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View Solution$A$ cycle wheel of radius $0.4\ m$ completes one revolution in one second. Then,the acceleration of a point on the rim of the cycle wheel will be:
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View Solution$A$ body performing uniform circular motion of radius $R$ has frequency $n$. Its centripetal acceleration is
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