Home
Class 12
PHYSICS
The acceleration of a body moving round ...

The acceleration of a body moving round a curve of radius 160 m at `20 ms^(-1)` is

A

` 5m//s^(-2)`

B

`2.2m//s`

C

`2.5 m//s`

D

`1.1m//s`

Text Solution

Verified by Experts

The correct Answer is:
C

`a=(v^(2))/(r)=(20xx20)/(160)=2.5 ms^(-2)`
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    NIKITA PUBLICATION|Exercise MCQs|443 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

Similar Questions

Explore conceptually related problems

A train of mass 10^(5) kg rounds a curve of radius 100m at a speed of 20 m/s . If the track is not , then the thrust on the outer rail of the track is

The acceleration of a train travelling with speed of 400m//s as it goes round a curve of radius 160 m , is

The acceleration of a train travelling at 40 m//s as it goes round a curve of 160 m in radius is ?

If an automobile moves round a curve of radius 300 m at constant speed of 60 m//s , then the change of velocity round a curve of 60^(@) will be

The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is 0.34 m s^(-1) . If the change in velocity of the body is 0.18 ms^(-1) during this time, its uniform acceleration is .

NIKITA PUBLICATION-CIRCULAR MOTION-Multiple Choice Question
  1. A stone tied to the end of a 20 cm long string is whriled in a horizon...

    Text Solution

    |

  2. A disc of radius 0.1 m starts from rest with an angular acceleration o...

    Text Solution

    |

  3. The acceleration of a body moving round a curve of radius 160 m at 20 ...

    Text Solution

    |

  4. The ratio of angular speeds of minutes hand and seconds hand in a watc...

    Text Solution

    |

  5. A wheel increases its speed from 60 rpm to 120 rpm in 10 s. Number of ...

    Text Solution

    |

  6. A particle is moving along a circle of radius 3 m .If its centripetal ...

    Text Solution

    |

  7. A particle tied to a string of negligible weight and length l is swung...

    Text Solution

    |

  8. Two racing cars of masses m(1) and m(2) are moving in circles of radii...

    Text Solution

    |

  9. A body is revoving with a constant speed along a circle. If its direct...

    Text Solution

    |

  10. The force acts ona particle perfoming uniform circular motion and whic...

    Text Solution

    |

  11. The centripetal force in magnitude and direction is given by

    Text Solution

    |

  12. The direction of centripetal acceleration or radian acceleration

    Text Solution

    |

  13. A stone tied at the end of sring is whirled in a circle. If the string...

    Text Solution

    |

  14. If the earth revolves round the sun in a circular orbit, then the nece...

    Text Solution

    |

  15. Centripetal force is a real force because its origing can

    Text Solution

    |

  16. A force which is equal and opposite to centripetal force in uniform ci...

    Text Solution

    |

  17. Centrifugal force is pseudo force because

    Text Solution

    |

  18. A satellite of the earth is revolving in a circular orbit with a unifo...

    Text Solution

    |

  19. Centrifuges are speed to separate the particles of

    Text Solution

    |

  20. Select the wrong statement

    Text Solution

    |