Home
Class 12
PHYSICS
The earth moves round the sun once in a ...

The earth moves round the sun once in a year with a speed of 30 km/sec. What is the centripetal acceleration of the earth towards the sun ? `(r_sun =1.5 xx 10^11)`

A

`6xx10^(-7) m/s^2`

B

`6xx10^(-6) m/s^2`

C

`6xx10^(-5) m/s^2`

D

`6xx10^(-3) m/s^2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

    MBD PUBLICATION|Exercise QUESTION BANK|151 Videos

  • COMMUNICATION SYSTEM

    MBD PUBLICATION|Exercise QUESTION BANK|174 Videos

Similar Questions

Explore conceptually related problems

The electron in the first orbit of hydrogen atom revolves round the nucleus in a circular orbit of radius 0.5 overset@A with a speed 2.18xx10^(6) m/s . What is the centripetal force acting on the electron ? (Mass of electron = 9.1xx10^(-31) kg).

An apple of mass 250 gm falls from a tree. What is the approximate value of the acceleration of the earth towards the apple [G=6.67xx10^-11Nm^2//kg^2&R=6400km]

The earth is acted upon by the gravitational force of attraction due to the sun. Then why does the earth not fall towards the sun ?

What would be the duration of the year if the distance between the earth and the sun gets doubled ?

Does the sun exert same gravitational pull on the earth at-time during a year ?

The earth moving round the sun in a circular orbit is acted upon by a force and hence work must be done on the earth by the force. Do you agree with this statement.

An aircraft executes horizontal loop of radius 1 km with constant speed 900 km/hr. How many times is centripetal acceleration greater than acceleration due to gravity?

MBD PUBLICATION-CIRCULAR MOTION-QUESTION BANK
  1. A bus is travelling at 20 m/s on a circular road of radius 400 m. its ...

    Text Solution

    |

  2. In a carnival ride, the passenger travels in a circle of radius 5 m ma...

    Text Solution

    |

  3. The earth moves round the sun once in a year with a speed of 30 km/sec...

    Text Solution

    |

  4. If a cycle wheel of radius 0.4 m completes one revolution in two secon...

    Text Solution

    |

  5. If angular speed of a particle is doubled and linear speed of a partic...

    Text Solution

    |

  6. A one kg mass attached at one end of the string of 0.5 m long rotates ...

    Text Solution

    |

  7. A body of mass 2 kg attached to the end of the string of 2 m long is r...

    Text Solution

    |

  8. A body is revolving with uniform speed of 2 m/s in a circle of radius ...

    Text Solution

    |

  9. In magnitude and direction the centripetal force is given by-

    Text Solution

    |

  10. A 0.5kg mass is rotated in a horizontal circle of radius 20 cm. What i...

    Text Solution

    |

  11. The bucket with a ball placed inside is rotated in a verticle circle o...

    Text Solution

    |

  12. A bucket containing water is tied to one end of a rope of 8 m long and...

    Text Solution

    |

  13. A motor cyclist wants to show a feat by going round on a verticle plan...

    Text Solution

    |

  14. A body of mass 1 kg is tied to a string and revolved in a horizontal c...

    Text Solution

    |

  15. The breaking tension of a string is 80 kg wt. A mass of 1 kg is attach...

    Text Solution

    |

  16. A string breaks under a tension of 10 kg wt. if a string is used to re...

    Text Solution

    |

  17. The centrifugal force is maximum at

    Text Solution

    |

  18. The S.I. units of centrifugal force is

    Text Solution

    |

  19. The earth is bulged at the equator due to the

    Text Solution

    |

  20. A coin kept on a rotating disc with its centre 5 cm away from the cent...

    Text Solution

    |