Home
Class 12
PHYSICS
The velocity of a projectile at the init...

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

A

`2hati+3hatj`

B

`-2hati-3hatj`

C

`-2hati+3hatj`

D

`2hati-3hatj`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-2|170 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise EXERCISE-3|41 Videos
  • MOTION IN A PALNE

    ALLEN|Exercise SOLVED EXAMPLE|28 Videos
  • KINEMATICS-2D

    ALLEN|Exercise Exercise (O-2)|48 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos

Similar Questions

Explore conceptually related problems

The velocity of a projectile at the initial point A is (2hat(i)+3hat(j))m//s .Its velocity (in m//s) at point 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 a projectile at the initial point A is (2 hati +3 hatj) ms^(-1) . Its velocity (in ms^(-1)) at point B is

Velocity of a projectile at height 15 m from ground is v=(20hati+10hatj)m//s . Here hati is in horizontal direction and hatj is vertically upwards. Then Angle of projectile with ground is

Velocity of a projectile at height 15 m from ground is v=(20hati+10hatj)m//s . Here hati is in horizontal direction and hatj is vertically upwards. Then Maximum height from a ground is …….. m

Velocity of a projectile at height 15 m from ground is v=(20hati+10hatj)m//s . Here hati is in horizontal direction and hatj is vertically upwards. Then Horizontal range of the ground is ………… m

Velocity of a projectile at height 15 m from ground is v=(20hati+10hatj)m//s . Here hati is in horizontal direction and hatj is vertically upwards. Then Speed with which particle is projected from ground is……… m/s

At a height of 45 m from ground velocity of a projectile is, v = (30hati + 40hatj) m//s Find initial velocity, time of flight, maximum height and horizontal range of this projectile. Here hati and hatj are the unit vectors in horizontal and vertical directions.

ALLEN-MOTION IN A PALNE-EXERCISE-1
  1. The maximum range of a gun on horizontal terrain is 1km. If g = 10 ms^...

    Text Solution

    |

  2. Two projectiles of same mass and with same velocity are thrown at an a...

    Text Solution

    |

  3. At the appermost point of a projectile its velocity and acceleration ...

    Text Solution

    |

  4. A large number of bullets are fired in all directions with the same sp...

    Text Solution

    |

  5. A projectile fired with initial velocity u at some angle theta has a ...

    Text Solution

    |

  6. Three particles A, B and C are projected from the same point with the ...

    Text Solution

    |

  7. Galileo writes that for angles of projection of a projectile at angles...

    Text Solution

    |

  8. A paricle starting from the origin (0,0) moves in a straight line in (...

    Text Solution

    |

  9. A projectile can have the same range R for two angles of projection. I...

    Text Solution

    |

  10. A monkey is sitting on the tree. A hunter fires a bullet to kill him. ...

    Text Solution

    |

  11. A particle of mass m is projected with velocity making an angle of 45^...

    Text Solution

    |

  12. A ball is projected to attain the maximum range. If the height attaine...

    Text Solution

    |

  13. Two projectiles are fired from the same point with the same speed at a...

    Text Solution

    |

  14. A ball is projected vertically upwards with a certain initial speed. A...

    Text Solution

    |

  15. The speed of a projectile at its maximum height is half of its initial...

    Text Solution

    |

  16. A missile is fired for maximum range with an initial velocity of 20m//...

    Text Solution

    |

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

    Text Solution

    |

  18. The horizontal range and the maximum height of a projectile are equal....

    Text Solution

    |

  19. The velocity of a projectile at the initial point A is (2hati+3hatj) m...

    Text Solution

    |

  20. A projectile is projected from ground with initial velocity vecu=u(0)h...

    Text Solution

    |