Home
Class 12
PHYSICS
A boy completes one round of a circular ...

A boy completes one round of a circular track of radius "R' in 40 What will be his displacement at the end of 2 minutes 20 second

A

zero

B

2 R

C

7 `pi` R

D

2 `pi`R.

Text Solution

Verified by Experts

The correct Answer is:
b
In 2 minutes 20 second athlete complete two and half revolution.
Displacement of Boy is 2R.
Promotional Banner

Topper's Solved these Questions

  • DESCRIPTION OF MOTION IN ONE DIMENSION

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION (LEVEL-II)|54 Videos

  • DESCRIPTION OF MOTION IN ONE DIMENSION

    MODERN PUBLICATION|Exercise Recent Competitive Question|12 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS|32 Videos

  • DESCRIPTION OF MOTION IN TWO AND THREE DIMENSION

    MODERN PUBLICATION|Exercise Revision TEST|36 Videos

Similar Questions

Explore conceptually related problems

An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and displacement at the end of 2 minutes 20 s?

A farmer moves along the boundry of a square field of side 10M in 40s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position?

A farmer moves along the boundary of a square field of side 10 m in 10 sec. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from what position?

A body moves along a circular track of radius R. It starts from one end of a diameter and reaches the other end of diameter. What is the ratio of the distance travelled by the body to its displacement :

MODERN PUBLICATION-DESCRIPTION OF MOTION IN ONE DIMENSION -Revision Test
  1. A boy completes one round of a circular track of radius "R' in 40 What...

    Text Solution

    |

  2. The acceleration of a particle increasing linearly with timer is be. T...

    Text Solution

    |

  3. The relation between time and displacement is t=alphax^(2)+betax where...

    Text Solution

    |

  4. A body moves with uniform acceleration. If , U, and 1, be the average ...

    Text Solution

    |

  5. The velocity-time graph of a body moving in one dimension is as shown ...

    Text Solution

    |

  6. A bus is moving along a straight road with a uniform acceleration. It ...

    Text Solution

    |

  7. A body is released from tower of height 1000 m and falls freely. Anoth...

    Text Solution

    |

  8. The two ends of a train moving with a constant acceleration pass a cer...

    Text Solution

    |

  9. A body starts from rest with uniform acceleration in a st. line, Then ...

    Text Solution

    |

  10. A body is thrown up from the top of a tower with some velocity reaches...

    Text Solution

    |

  11. A motor car moving with uniform acceleration covers two successive kil...

    Text Solution

    |

  12. A bullet fired into a fixed target loses half of its velocity after pe...

    Text Solution

    |

  13. What is the maximum height of a stone thrown vertically upwards if its...

    Text Solution

    |

  14. A bullet loses half of its velocity in penetrating 18 cm into a block....

    Text Solution

    |

  15. A plumb line is hanging from the ceiling of a train. If the train move...

    Text Solution

    |

  16. A smooth steel ball is moving to and fro about the lowest position of ...

    Text Solution

    |

  17. A ball is dropped vertically from a height above the ground. It hits t...

    Text Solution

    |

  18. A car leaves station A for station B every 10 minutes. Simultaneously ...

    Text Solution

    |

  19. A body starts from rest with uniform acceleration in a st. line, Then ...

    Text Solution

    |

  20. A body falls from rest. In the last second of its fall, it covers half...

    Text Solution

    |

  21. In the above question the total height of fall is :

    Text Solution

    |