Home
Class 12
PHYSICS
The displacement x and time t for a part...

The displacement x and time t for a particle are related to each other as `t-3=sqrt x` . What is work done in first six seconds of its motion.

A

A. 0J

B

B. 1J

C

C. 2J

D

D. 3J

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVES

    MBD PUBLICATION|Exercise QUESTION BANK|295 Videos

Similar Questions

Explore conceptually related problems

A stone falls freely from rest and the total distance covered by it in the last second of its motion equals to the distance covered by it in the first three seconds of its motion. What much time for the stone remains in air?

The displacement x of a particle moving in one dimension under the action of constant force is related to time t by the equation t= sqrt x + 3 where x is in meter and time in sec .Find the displacement y of the particle when its velocity is zero .

What is the work done if force and displacement are inclined at 60^@ to each other.

MBD PUBLICATION-WORK, ENERGY AND POWER-QUESTION BANK
  1. An engine develops 10 KW of power. How much time will it take to lift ...

    Text Solution

    |

  2. A spring of spring constant 8 N/cm has an extension of 5 cm. The minim...

    Text Solution

    |

  3. The displacement x and time t for a particle are related to each other...

    Text Solution

    |

  4. A particle of mass 6 kg moves accordings to the law x=0.2 t^2-0.02 t^3...

    Text Solution

    |

  5. When a body is projected vertically up, its PE is twice its KE when it...

    Text Solution

    |

  6. In a ice rink, a skator moving with a velocity 3 m/s encounters a roug...

    Text Solution

    |

  7. What work is performed in dragging a sledge horizontal 15 metre by a f...

    Text Solution

    |

  8. Calculate work done in raising a stone of mass 5 kg, specific gravity ...

    Text Solution

    |

  9. A man weighing 60kg goes up a staircase 5 m high in 20 sec. Calculate...

    Text Solution

    |

  10. Calculate the power developed by mass weighing 70 kg in climbing up a ...

    Text Solution

    |

  11. A body moving along a circular path with uniform speed covers a distan...

    Text Solution

    |

  12. What would be the power of an engine required to lift 90 metric tonnes...

    Text Solution

    |

  13. A motor car weighing 1000 kg moves up an incline rising 1 in 49 at the...

    Text Solution

    |

  14. A body having a mass 100 gm is allowed to fall freely under gravity. C...

    Text Solution

    |

  15. A man cycles up a hill whose slope is 1 in 25 at the rate 7.2 km/h. Th...

    Text Solution

    |

  16. Find the energy equivalent of the mass of an electron . Given mass of ...

    Text Solution

    |

  17. A well 20m deep and 3m in diameter contains water upto a depth of 14 m...

    Text Solution

    |

  18. A ball is dropped from a height of 9m on a fixed plane floor. What dis...

    Text Solution

    |

  19. A car of mass 750 kg has an engine which produces a constant power of ...

    Text Solution

    |

  20. A ball of mass 2 kg and another of mass 4 kg are dropped together from...

    Text Solution

    |