Home
Class 12
PHYSICS
Two seconds after projection, a projecti...

Two seconds after projection, a projectile is travelling in a direction inclined at `30^@` to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of its velocity.

A

`10 sqrt(3) ms^(-1)`

B

`20 m//s`

C

`10 m//s`

D

`20 sqrt(3) m//s`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos
  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise MOTION IN A STRAIGHT LINE|59 Videos
  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos
  • ATOMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|21 Videos

Similar Questions

Explore conceptually related problems

One second after the projection, a stone moves at an angle of 45^@ with the horizontal. Two seconds from the start, it is travelling horizontally. Find the angle of projection with the horizontal. (g=10 ms^(-2)) .

A force is inclined at 60^(@) to the horizontal. If its rectangular component in the horizontal direction be 50N,find the magnitude of the force and its vertical component.

The direction of motion of a projectile at a certain instant is inclined at an angle 60^(@) to the horizontal. After sqrt(3) seconds it is inclined an angle 30^(@) . If the horizontal compound of velocity of projection is 3n (in m//sec) then value of n is : (take g = 10 m//s^(2))

The direction of velocity of a projectile at a certain instant is inclined at angle 60° with the horizontal. After 1 second it is inclined at an angle 30°. If horizontal component of velocity of projection is g √3/k, then find k

The direction of velocity of a projectile at a certain instant is inclined at angle 60° with the horizontal. After 1 second it is inclined at an angle 30°. If horizontal component of velocity of projection is g √3/k, then find k

Two balls are projected from the same point in the direction inclined at 60^(@) and 30^(@) to the horizontal. If they attain the same height , what is the ratio of their velocities ? What is the ratio of their initial velocities if they have same horizontal range ?

A particle is projected from a point O with velocity u in a direction making an angle alpha upward with the horizontal. AT P , it is moving at right angles to its initial direction of projection . Its velocity at P is .

The direction of a projectile at a certain instant is inclined at an angle prop to the horizontal , after t second, it is inclined at an angle beta . Prove that the horizontal component of the velocity of the projectile is ("gt")/(tan prop - tan beta) .

A body is projected with an initial Velocity 20 m/s at 60° to the horizontal. Its velocity after 1 sec is

Just after firing, a bullet is found to move at an angle of 37^(@) to the horizontal. Its acceleration is 10 m//s^(2) downwards. Find the component of its acceleration in the direction of its velocity.

AAKASH SERIES-APPENDICES (REVISION EXERCISE)-MOTION IN A PLANE
  1. The maximum distance to which a man can throw a ball by projecting it ...

    Text Solution

    |

  2. A body projected at 45^@ with a velocity of 20 m/s has a range of 10m....

    Text Solution

    |

  3. Two seconds after projection, a projectile is travelling in a directio...

    Text Solution

    |

  4. A stone is projected from the top of a tower with velocity 20ms^(-1) m...

    Text Solution

    |

  5. A cricket fielder can throw the cricket ball with a speed v0. If the t...

    Text Solution

    |

  6. A boy can throw a stone up to a maximum height of 10 m. The maximum ho...

    Text Solution

    |

  7. A particle is projected from the ground with an initial speed u at an ...

    Text Solution

    |

  8. A ball of mass 1 kg is projected with a velocity of 20sqrt(2) m/s from...

    Text Solution

    |

  9. A two particles P and Q are separated by distance d apart. P and Q mov...

    Text Solution

    |

  10. The direction of projectile at certain instant is inclined at angle al...

    Text Solution

    |

  11. A particle is projected from a horizontal floor with speed 10(m)/(s) a...

    Text Solution

    |

  12. If v(1) and v(2) be the velocities at the end of focal chord of projec...

    Text Solution

    |

  13. If a stone is to hit at a point which is at a distance d away and at a...

    Text Solution

    |

  14. An object in projected up the inclined at the angle shown in the figur...

    Text Solution

    |

  15. A projectile is fired with a velocity u at right angles to the slope, ...

    Text Solution

    |

  16. In figure shown below, the time taken by the projectile to reach from ...

    Text Solution

    |

  17. A fighter plane flying horizontally at an altitude of 1.5 km with spee...

    Text Solution

    |

  18. At a certain height a body at rest explodes into two equal fragments w...

    Text Solution

    |

  19. A stair case contains ten steps each 10cm high and 20 cm wide. The min...

    Text Solution

    |

  20. In the above problem, the time taken by the displacement vectors of th...

    Text Solution

    |