Home
Class 11
PHYSICS
A particle is moving such that its posit...

A particle is moving such that its position coordinates `(x, y)` are `(2m, 3m)` at time `t=0, (6m, 7m)` at time `t=2 s`, and `(13 m, 14m)` at time `t=5 s`.
Average velocity vector`(vec(V)_(av))` from `t=0` to `t=5 s` is

A

`(1)/(5)(13hati+14hatj)`

B

`(7)/(3)(hati+hatj)`

C

`2(hati+hatj)`

D

`(11)/(5)(hati+hatj)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    DISHA|Exercise PHYSICS|44 Videos
  • MOTION IN A STRAIGHT LINE

    DISHA|Exercise physics|45 Videos

Similar Questions

Explore conceptually related problems

A particle is moving such that its position coordinates (x,y) are (2m,3m) at time t=0,(13m,14m) at time t=5s .Average velocity vector from t =0 to t=5s

A particle is moving along x-axis such that its velocity varies with time according to v=(3m//s^(2))t-(2m//s^(3))t^(2) . Find the velocity at t = 1 s and average velocity of the particle for the interval t = 0 to t = 5 s.

A particle is moving with uniform acceleration. Its position (x) is given in term of time (t in sec) as x= '(5t^2 +4t +8)' m, then

A particle is moving on a straight line. Its velocity at time t is (8-2t)m//s . What is the total distance covered from t=0 to t=6s ?

A particle moving along the x axis has a position given by x=54 t - 2.0 t^(3) m . At the time t=3.0s , the speed of the particle is zero. Which statement is correct ?

A particle moves along X-axis in such a way that its coordinate X varies with time t according to the equation x = (2-5t +6t^(2))m . The initial velocity of the particle is

A particle is moving with velocity v=4t^(3)+3 t^(2)-1 m//s . The displacement of particle in time t=1 s to t=2 s will be

Two particles of masses m_(1) and m_(2) in projectile motion have velocities vec(v)_(1) and vec(v)_(2) , respectively , at time t = 0 . They collide at time t_(0) . Their velocities become vec(v')_(1) and vec(v')_(2) at time 2 t_(0) while still moving in air. The value of |(m_(1) vec(v')_(1) + m_(2) vec(v')_(2)) - (m_(1) vec(v)_(1) + m_(2) vec(v)_(2))|

DISHA-MOTION IN A PLANE-PHYSICS
  1. A particle moves in the x-y plane under the action of a force vecF suc...

    Text Solution

    |

  2. A person sitting in the rear end of the compartment throws a ball towa...

    Text Solution

    |

  3. If a particle moves in a circle describing equal angles in equal inter...

    Text Solution

    |

  4. Three identical balls are thrown from the top of a building, all with ...

    Text Solution

    |

  5. A particle is moving such that its position coordinates (x, y) are (2m...

    Text Solution

    |

  6. A particle moves so that its position vector is given by vec r = cos o...

    Text Solution

    |

  7. Two boys are standing at the ends A and B of a ground, where AB=a. The...

    Text Solution

    |

  8. A projectile is fired at an angle of 45^(@) with the horizontal. Eleva...

    Text Solution

    |

  9. The position vector of a particle vec(R ) as a funtion of time is give...

    Text Solution

    |

  10. The vectorsvecA and vecB uur are such that |vecA + vecB| =|vecA-vecB ...

    Text Solution

    |

  11. The velocity of projection of oblique projectile is (6hati+8hatj)ms^(...

    Text Solution

    |

  12. An artillary piece which consistently shoots its shells with the same ...

    Text Solution

    |

  13. A car runs at a constant speed on a circular track of radius 100m, tak...

    Text Solution

    |

  14. A vector of magnitude b is rotated through angle theta. What is the ch...

    Text Solution

    |

  15. A stone projected with a velocity u at an angle (theta )with the horiz...

    Text Solution

    |

  16. The vector sum of two forces is perpendicular to their vector differen...

    Text Solution

    |

  17. A particle starts from the origin of coordinates at time t = 0 and mov...

    Text Solution

    |

  18. A vector vecA ur is rotated by a small angle triangletheta radian (tri...

    Text Solution

    |

  19. If a body moving in circular path maintains constant speed of 10 ms^(–...

    Text Solution

    |

  20. The position of a projectile launched from the origin at t = 0 is giv...

    Text Solution

    |