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If wheel revolves 120 times per minute t...

If wheel revolves 120 times per minute then its angular velocity in rad`cdot s^(-1)` unit is

A

`pi^(2)`

B

`4pi`

C

`2pi`

D

`4pi^(2)`

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The correct Answer is:
B
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CHHAYA PUBLICATION-CIRCULAR MOTION-EXERCISE (MULTIPLE CHOICE QUESTIONS )
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  2. After switching on a ceiling fan it completes 10 revolutions in 3 s. T...

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  3. If wheel revolves 120 times per minute then its angular velocity in ra...

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  4. Angular velocity of the hour hand of a clock is

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  5. If a particle rotates along a circular path of radius 25 cm with a fre...

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  6. An artificial satellite takes 90 minutes to complete its revolution ar...

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  7. The driver of a truck suddenly finds a wall in front of him. To avoid...

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  8. Which of the following quantities does not remain constant in a unifor...

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  9. The angular velocity of a particle,vec(w) = 3 hat(i) - 4 hat(j) + hat(...

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  10. The ratio of angular speeds of minute hand and hour hand of a watch is

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  11. A particle of moves with constant angular velocity in a circle. During...

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  12. The angular speed of a flywheel making 360 revolutions per minute is

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  13. A car moves on a circular road. It describes equal angles about the ce...

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  14. A wheel of radius R rolls on the ground with a uniform velocity v. the...

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  15. The angle with which a cyclist leans with the horizontal while turning...

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  16. While taking a turn on a plane horizontal road, a car can skid due to

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  17. A car is moving along a horizontal circular path of radius 10 m at a u...

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  18. If maximum and minimum tension in the string whirling in a circle of ...

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  19. Coefficient of friction between the road and the tyre of a car is 0.6....

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  20. A body is moving in a circular path with centripetal acceleration a . ...

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