Home
Class 11
PHYSICS
The velocity of a projectile at the init...

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

A

`-2 hat I - 3 hat j`

B

`-2 hat i + 3 hat j`

C

`2 hat I - 3 hat j`

D

`2 hat I + 3 hat j`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos

Similar Questions

Explore conceptually related problems

A projectile is given an initial velocity of hat i+2hatj . The Cartesian equation of its path is (g= 10 m/s^2

A particle has an initial velocity of 3hat i+4 hatj and an acceleration of 0.4hat i +0.3 hat j . Its speed after 10 s is

The initial velocity of an object is vecu = 5hati + 10hatj m//s . Its constant acceleration is veca = 2hati+ 3 hatj m//s^2 . Determine the velocity and the displacement after 5 s.

A particle starts from the origin with velocity vec u= (2hat i - 4 hat j) m/s with constant acceleration (3 hat I + 5 hat j) m/s^2 . After travelling for 2 seconds, its distance from the origin is

A boat is moving with velocity of 3 hat i+ 4hat j in river and water is moving with a velocity of 3 hat i- 4hat j ith respect to ground. Relative velocity of boat with respect to water is

The velocity of a particle of mass m is vec(v) = 5 hat(i) + 4 hat(j) + 6 hat(k)" " "when at" " " vec(r) = - 2 hat(i) + 4 hat (j) + 6 hat(k). The angular momentum of the particle about the origin is

Two particles of equal mass have velocities vec v_1 = 2 hat i= m//s^-1 and vec v_2 = 2hat j m//s^-1 . First particle has an acceleration vec a_1= (3 hat i+ 3 hat j) ms^-2 while the acceleration of the other particle is zero. The centre of mass of the two particles moves in a path of.

TARGET PUBLICATION-Motion in a plane-Exercise
  1. A particle is projected with velocity 2sqrt(gh) and at an angle 60^@ t...

    Text Solution

    |

  2. A body projected from the ground reaches a point 'X' in its path after...

    Text Solution

    |

  3. The velocity of a projectile at the initial point A is (2hat i+ 3hat j...

    Text Solution

    |

  4. A projectile is given an initial velocity of hat i+2hatj. The Cartesia...

    Text Solution

    |

  5. A body is projected vertically upwards with a velocity of 10 ms^-1 and...

    Text Solution

    |

  6. The maximum height attained by projectile is increased by 10%, by chan...

    Text Solution

    |

  7. A particle is projected with a velocity v so that its horizontal range...

    Text Solution

    |

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

    Text Solution

    |

  9. The angle between velocity and acceleration of a particle describing u...

    Text Solution

    |

  10. Angular speed of hour hand of a clock in degree per second is

    Text Solution

    |

  11. The ratio of angular speed of a second-hand to the hour-hand of a watc...

    Text Solution

    |

  12. The difference between angular speed of minute hand and second hand of...

    Text Solution

    |

  13. For a particle in uniform circular motion , the accleration vec(a) at ...

    Text Solution

    |

  14. Two cars of masses m(1) and m(2) are moving in circles of radii r(1) a...

    Text Solution

    |

  15. A particle moves in a circle of radius 5 cm with constant speed and ti...

    Text Solution

    |

  16. A particle moves in a circle of radius 25 cm at two revolutions per se...

    Text Solution

    |

  17. The angular separation between the minute hand and the hour hand of a ...

    Text Solution

    |

  18. Two particles A and B are moving in uniform circular motion in concent...

    Text Solution

    |

  19. A particle is moving with a uniform speed in a circular orbit of radiu...

    Text Solution

    |

  20. One end of string of length l is connected to a particle of mass 'm' a...

    Text Solution

    |