Home
Class 11
PHYSICS
A car of mass m moves in a horizontal ci...

A car of mass `m` moves in a horizontal circular path of radius `r` metre. At an instant its speed is `V m//s` and is increasing at a rate of `a m//sec^(2)`.then the acceleration of the car is

A

`(V^(2))/(r )`

B

3

C

`sqrt (a^(2)+((V^(2))/(r ))^(2))`

D

`sqrt(a+(V^(2))/(r ))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-I(C.W)|43 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(C.W)|45 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(H.W)|31 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

Similar Questions

Explore conceptually related problems

A car of mass m moves in a horizontal circular path of radius r meter. At an instant its speed is Vm//s and is increasing at a rate of a m//sec^(2) . Then the acceleration of the car is:

A car of maas M is moving on a horizontal circular path of radius r. At an instant its speed is v and is increasing at a rate a.

A car is moving on a circular road of radius 100m . At some instant its speed is 20m//s and is increasing at the rate of 3m//s^(2) . The magnitude of its acceleration is

A pariticle is moving in a circle of radius 12m . At an instant its speed is 6m//s and the speed is increasing at the rate 4m//s^(2) . Find the acceleration of the particle.

A car is moving with speed 30m//sec on a circular path of radius 500 m . Its speed is increasing at the rate of , 2m//sec^(2) , What is the acceleration of the car

A particle is moving on a circular path of radius 1 m with 2 m/s. If speed starts increasing at a rate of 2m//s^(2) , then acceleration of particle is

A car has a linear velocity v on a circular track of radius r. IF its speed is increasing at a rate of a m//s^(2) , , then its resultant acceleration will be

A particle is moving on a circular path of 10 m radius. At any instant of time, its speed is 5ms^(-1) and the speed is increasing at a rate of 2ms^(-2) . At this instant, the magnitude of the net acceleration will be

NARAYNA-MOTION IN A PLANE-C.U.Q
  1. A car of mass m moves in a horizontal circular path of radius r metre....

    Text Solution

    |

  2. If vec A+vec B=vec C and the angle between vec A and vec B is 120^(@),...

    Text Solution

    |

  3. When two vectors vecA and vecB of magnitudes a and b respectively are ...

    Text Solution

    |

  4. If vec C=vec A+vec B then

    Text Solution

    |

  5. Three forces start acting simultaneously on a particle moving the velo...

    Text Solution

    |

  6. The minimum number of forces of equal magnitude in a plane that can ke...

    Text Solution

    |

  7. The minimum number of unequal forces in a plane that can keep a partic...

    Text Solution

    |

  8. How many minimum number of coplanar vector having different magnitudes...

    Text Solution

    |

  9. A train is moving due east and a car is moving due north with equal sp...

    Text Solution

    |

  10. A bus moves over a straight level road with a constant acceleration a....

    Text Solution

    |

  11. A particles P moves with speed v along AB and BC, sides of a square AB...

    Text Solution

    |

  12. A river is flowing from east to west at a speed of 5m//min. A man on s...

    Text Solution

    |

  13. A hunter aims his fun and fires a bullet directly at a monkey on a tre...

    Text Solution

    |

  14. Keeping the speed of projection constant, the angle of projection is i...

    Text Solution

    |

  15. Keeping the speed of projection constant, the angle of projection is i...

    Text Solution

    |

  16. The path of one projectile as seen from another projectile is a (if ho...

    Text Solution

    |

  17. Two particles are projected with same speed but at angles of projectio...

    Text Solution

    |

  18. The acceleration of a projectile relative to another projectile is

    Text Solution

    |

  19. A stone is just dropped from the window of a train moving along a hori...

    Text Solution

    |

  20. A bomb is dropped from an aeroplane flying horizontally with uniform s...

    Text Solution

    |

  21. A and B are two trains moving parallel to each other. If a balls is th...

    Text Solution

    |