Home
Class 11
PHYSICS
Velocity vector of a particle is given a...

Velocity vector of a particle is given as
`vecv=4thati+3hatj`
At t=0 position of the particle is given as `vecr_(0)=2hatj`
Find the position vector of the particle at t=2 sec and te average acceleration of the particle for t=0 to t=2sec.

Promotional Banner

Topper's Solved these Questions

  • DESCRIPTION OF MOTION

    ANURAG MISHRA|Exercise Level-1|86 Videos

  • DESCRIPTION OF MOTION

    ANURAG MISHRA|Exercise Level-2|25 Videos

  • DESCRIPTION OF MOTION

    ANURAG MISHRA|Exercise Level-3|34 Videos

  • FORCE ANALYSIS

    ANURAG MISHRA|Exercise Matching type|13 Videos

Similar Questions

Explore conceptually related problems

If velocity of a particle is given by v=2t^(2)-2 then find the acceleration of particle at t = 2 s.

The position vector of a particle is r = a sin omega t hati +a cos omega t hatj The velocity of the particle is

A particle is given an initial velocity of vecu=(3 hati+4 hatj) m//s . Acceleration of the particle is veca=(3t^(2) +2 thatj) m//s^(2) . Find the velocity of particle at t=2s.

The position of a particle is given by vecr=(8thati+3t^(2)hatj+5hatk)m where t is measured in second and vecr in meter. Calculate, the velocity and the acceleration of the particle.

The position vector of a particle at time t is given by vecr=2t hati+5t hatj+4sin omegat hatk where omega is a constant.Answer the following questions Velocity vector of the particle is

The position vector of a particle is given by vecr=(2 sin 2t)hati+(3+ cos 2t)hatj+(8t)hatk . Determine its velocity and acceleration at t=pi//3 .

The position vector of a particle is given by vec r = (2t hati+5t^(2)hatj)m (t is time in sec). Then the angle between initial velocity and initial acceleration is

If the velocity of a particle moving along x-axis is given as v=(3t^(2)-2t) and t=0, x=0 then calculate position of the particle at t=2sec.

A particle's position as a function of time is described as y (t) = 2t^(2) + 3t + 4 . What is the average velocity of the particle from t = 0 to t = 3 sec ?

ANURAG MISHRA-DESCRIPTION OF MOTION-Example
  1. A particle moves along x-axis with acceleration a=6(t-1) where t is in...

    Text Solution

    |

  2. A particle moves alo g a straight line and its velocity depends on tim...

    Text Solution

    |

  3. Velocity vector of a particle is given as vecv=4thati+3hatj At t=0...

    Text Solution

    |

  4. Given that x=120-15t-6t^(2)+t^(3)(tgt0), find the time when the veloci...

    Text Solution

    |

  5. (The figure shows the (V,t) graph for the train .accelerating' ifrom r...

    Text Solution

    |

  6. The velocily-time graph for a particle travelling along a straight lin...

    Text Solution

    |

  7. A bird flies for 4s with a velocity V=(t-2) m//s in a straight line wh...

    Text Solution

    |

  8. A particle moves in such a way that its position vector at any time t ...

    Text Solution

    |

  9. A particle moves in xy plane with a velocity given by vecV = (8t-2)hat...

    Text Solution

    |

  10. First, an auto starts from rest and accelerates uniformly for 15 s acq...

    Text Solution

    |

  11. A particle having a velocity v = v0 at t= 0 is decelerated at the rate...

    Text Solution

    |

  12. A particle travels so that its acceleration is given by vec(a)=5 cos t...

    Text Solution

    |

  13. (i) A particle is moving in three dimensions.Its position vector is gi...

    Text Solution

    |

  14. A body projected vertically upward from the top of a tower reaches the...

    Text Solution

    |

  15. A body falls from same height and return back to initial position Draw...

    Text Solution

    |

  16. A boy throws a ball vertically upward with an initial speed of 15.0m//...

    Text Solution

    |

  17. A man standing in an elevator observes a screw fall from the ceiling. ...

    Text Solution

    |

  18. A speeder moves at a constant 15m//s in a school zone A police car sta...

    Text Solution

    |

  19. two cars approach each other on a straight road. Car A moves at 16 m//...

    Text Solution

    |

  20. A circular wire frame is fixed in a vertical plane. A smooth wire is t...

    Text Solution

    |