Home
Class 11
PHYSICS
A car is standing 200 m behind a bus, wh...

A car is standing 200 m behind a bus, which is also at rest. The two start moving at the same instant but with different forward accelerations. The bus has acceleration `2m//s^2` and the car has acceleration `4m//s^2` The car will catch up with the bus after a time of:

A

`sqrt120 s `

B

15 s

C

`10 sqrt2 s `

D

`sqrt110 s `

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (PARALLELOGRAM LAW, TRIANGLE LAW, POLYGON LAW)|14 Videos

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (MOTION IN A PLANE)|20 Videos

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A STRAIGHT LINE (HORIZONTAL MOTION)|48 Videos

  • RAY OPTICS

    AAKASH SERIES|Exercise EXERCISE III|64 Videos

  • ROTATIONAL DYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) Integer Type Questions|7 Videos
AAKASH SERIES-RIVISION EXERCISE-MOTION IN A STRAIGHT LINE (VERTICAL MOTION)
  1. A projectile moving vertically upwards with a velocity of 200 m/s brea...

    Text Solution

    |

  2. A particle is projected vertically upwards with a velocity of 20m/sec....

    Text Solution

    |

  3. A car is standing 200 m behind a bus, which is also at rest. The two s...

    Text Solution

    |

  4. Which graph corresponds to an object moving with a constant negative a...

    Text Solution

    |

  5. A stone is dropped from a hill of height 180m. Two seconds later anoth...

    Text Solution

    |

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

    Text Solution

    |

  7. A body is dropped from a height of 16 m. The body strikes the ground a...

    Text Solution

    |

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

    Text Solution

    |

  9. A ball dropped from a point P crosses a point Q in t seconds. The time...

    Text Solution

    |

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

    Text Solution

    |

  11. A lead ball dropped into a lake from a diving board 5m above the water...

    Text Solution

    |

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

    Text Solution

    |

  13. A boy sees a ball go up and then down through a window 2.45 m high. If...

    Text Solution

    |

  14. A particle is projected vertically up and another is let fall to meet ...

    Text Solution

    |

  15. A ball is projected from the bottom of a tower and is found to go abov...

    Text Solution

    |

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

    Text Solution

    |

  17. If a stone dropped from the top of a tower travels half of the height ...

    Text Solution

    |

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

    Text Solution

    |

  19. A parachutist drops freely from an aeroplane for 8s before the parachu...

    Text Solution

    |

  20. Two balls are projected simultaneously with the same speed from the to...

    Text Solution

    |