Home
Class 11
PHYSICS
An electron starting from rest has a vel...

An electron starting from rest has a velocity that increases linearly with the time that is v=kt,where k=2 `m//sec^(2)`.The distance travelled in the first 3 seconds will be

A

9m

B

16m

C

27m

D

36m

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise PROBLEM|47 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Very Short Answer Type Questions |15 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Exercise -2|76 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise Practice Exercise|84 Videos

  • NEWTONS LAWS OF MOTION

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE PRACTICE SHEET (ADVANECED) (Matrix Matching Type Questions)|1 Videos
AAKASH SERIES-MOTION IN A STRAIGHT LINE-Exercise -3
  1. The position x of a particle varies with time t as x=at^(2)-bt^(3).The...

    Text Solution

    |

  2. The relation 3t=sqrt(3x)+6 describes the position of a particle in one...

    Text Solution

    |

  3. An electron starting from rest has a velocity that increases linearly ...

    Text Solution

    |

  4. A car accelerates from rest at a constant rate alpha for sometime afte...

    Text Solution

    |

  5. Two towns A and B are connected by a regular bus service with a bus le...

    Text Solution

    |

  6. Two cars start in a race with velocities u(1) and u(2) and travel in a...

    Text Solution

    |

  7. The displacement x of a particle varies with time according to the rel...

    Text Solution

    |

  8. A particle moving along x-axis has acceleration f,at time t,given by f...

    Text Solution

    |

  9. A train takes t see to perform journey, if travel for t/n sec with uni...

    Text Solution

    |

  10. A particle moving along straight line has velocity v=mus^(2) where s i...

    Text Solution

    |

  11. On a long horizontally moving belt, a child runs to and fro with a spe...

    Text Solution

    |

  12. The distance travelled by a body moving along a line in time t is prop...

    Text Solution

    |

  13. For an airplane to take off it accelerate. according to the graph show...

    Text Solution

    |

  14. Water drops fall from the roof of a building 20 m high at regular time...

    Text Solution

    |

  15. Two balls are dropped from the same height at two different places A a...

    Text Solution

    |

  16. The distance travelled by a falling body in the last second of its mot...

    Text Solution

    |

  17. A body P is thrown vertically up with velocity 30 ms^(-1) and another ...

    Text Solution

    |

  18. A particle Is projected vertically up and another is let fal to meet a...

    Text Solution

    |

  19. A stone is dropped from a height of 10cm above the top of a window 80 ...

    Text Solution

    |

  20. A body initially at rest is moving with uniform acceleration a .Its ve...

    Text Solution

    |