Home
Class 11
PHYSICS
The velocity of a particle at an instant...

The velocity of a particle at an instant is `10 m s^(-1)`. After 3 s its velocity will becomes `16 m s^(-1)`. The velocity at 2 s, before the given instant will be

A

`6 m//s`

B

`4 m//s`

C

`2 m//s`

D

`1 m//s`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos
  • Mechanical Properties of Solids

    SL ARORA|Exercise Example|113 Videos
  • Motion in a Plane

    SL ARORA|Exercise Excercise|397 Videos

Similar Questions

Explore conceptually related problems

The velocity of a particle at an instant is 10m/s. After 5sec, the velocity of the particle is 20m/s. Find the velocity at 3 seconds before from the instant when velocity of a particle is 10m/s.

The velocity of A at an instant is 4 m//s rightwards. Then the velocity of block B is

The velocity of a projectile at the initial point A is (2 i+3 j)m/s .Its velocity (in m/s ) at point B is

The velocity of the particle at any time t is given by vu = 2t(3 - t) m s^(-1) . At what time is its velocity maximum?

The velocity of a projectile at the initial point A is (2hati+3hatj) m//s . Its velocity (in m/s) at point B is

In the given figure , if the velocity of the block C at a particular instant is -20 m s^(-1)hatJ , then the velocity of the rod (A) that instant will be : (string is attached to wedge )

The velocity of a particle moving with constant acceleration at an instant t_(0) is 10m//s After 5 seconds of that instant the velocity of the particle is 20m/s. The velocity at 3 second before t_(0) is:-

If the velocity of a particle is given by v=(180-16x)^((1)/(2))(m)/(s) , then its acceleration will be

The velocity v of a particle at any instant t moving in a straight line is given by v=s +1 where s meter is the distance travelled in t second what is the time taken by the particle to cover a distacne of 9m ?

SL ARORA-MECHANICS-Exercise
  1. A particle moving in one dimension with a constant acceleration of 2 m...

    Text Solution

    |

  2. A particle starts from rest, accelerates at 2(m)/(s^2) for 10 s and th...

    Text Solution

    |

  3. The velocity of a particle at an instant is 10 m s^(-1). After 3 s its...

    Text Solution

    |

  4. A particle starts from rest with uniform acceleration a. Its velocity...

    Text Solution

    |

  5. A car accelerates from rest at a constant rate for some time after wh...

    Text Solution

    |

  6. The velocity with which a body stricks the ground is always equal to ...

    Text Solution

    |

  7. If a ball is thrown vertically upwards with a velocity of 40m//s, then...

    Text Solution

    |

  8. A stone released with zero velocity from the top of a water, reaches t...

    Text Solution

    |

  9. A stone is thrown vertically up from the ground. It reaches a maximum ...

    Text Solution

    |

  10. A stone falls freely such that the distance covered by it in the last ...

    Text Solution

    |

  11. A body sliding on a smooth inclined plane requires 4s to reach the bot...

    Text Solution

    |

  12. Find the ratio of the distances travelled by a freely falling body in ...

    Text Solution

    |

  13. When a ball is thrown vertically upwards, at the maximum height

    Text Solution

    |

  14. A ball is droped from a high rise platform t = 0 starting from rest. A...

    Text Solution

    |

  15. A body A is thrown up vertically from the ground with velocity V(0) an...

    Text Solution

    |

  16. A ball falls from 20 m height on floor and rebounds to 5 m. Time of co...

    Text Solution

    |

  17. A ball is dropped from top of a tower of 100 m height. Simultaneously ...

    Text Solution

    |

  18. A body dropped from a height h with an initial speed zero, strikes the...

    Text Solution

    |

  19. A ball thrown upward from the top of a tower with speed v reaches the ...

    Text Solution

    |

  20. Velocity-time curve for a body projected vertically upwards is with ti...

    Text Solution

    |