Home
Class 11
PHYSICS
Two seconds after projection, a projecti...

Two seconds after projection, a projectile is moving at `30^@` above the horizontal. After one more second it is moving horizontally. If `g = 10ms^(-2)` , the velocity of projection is

A

`10 sqrt3 ms^(-1)`

B

`20m//s`

C

`10m//s`

D

`20sqrt3 m//s `

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (HORIZONTAL PROJECTILE MOTION)|28 Videos

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (CIRCULAR MOTION)|2 Videos

  • RIVISION EXERCISE

    AAKASH SERIES|Exercise MOTION IN A PLANE (A BOAT IN A RIVER)|10 Videos

  • RAY OPTICS

    AAKASH SERIES|Exercise EXERCISE III|64 Videos

  • ROTATIONAL DYNAMICS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) Integer Type Questions|7 Videos

Similar Questions

Explore conceptually related problems

A ball is projected at an angle 30° with the horizontal with the velocity 49 ms^(-1) . The horizontal range is

Astone is projected from the ground with a velocity of 20 m/s at angle 30^(@) with the horizontal. After one second it clears a wall then find height of the wall. (g=10 ms^(-2))

A stone is projected from the ground with a velocity of 20 m/s at angle 30° with the horizontal. After one second it clears a wall then height of the wall is ( g=10 ms^(-2) )

AAKASH SERIES-RIVISION EXERCISE-MOTION IN A PLANE (OBLIQUE PROJECTION)
  1. A body is projected with an angle theta . The maximum height reached ...

    Text Solution

    |

  2. A body is projected horizontally from the top of a tower with a veloci...

    Text Solution

    |

  3. A body is projected at an angle theta so that its range is maximum. I...

    Text Solution

    |

  4. The path of a projectile is given by the equation y = ax - bx^2 , wher...

    Text Solution

    |

  5. Two balls are projected simultaneously in same vertical plane from the...

    Text Solution

    |

  6. A body of mass 2kg is projected from the ground with a velocity 20ms^(...

    Text Solution

    |

  7. A projectile has initially the same horizontal velocity as it would ac...

    Text Solution

    |

  8. A body of mass m1, projected vertically upwards with an initial veloci...

    Text Solution

    |

  9. The maximum distance to which a man can throw a ball by projecting it ...

    Text Solution

    |

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

    Text Solution

    |

  11. Two seconds after projection, a projectile is moving at 30^@ above th...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. A boy can throw a stone up to a maximum height of 10m. The maximum hor...

    Text Solution

    |

  15. A particle is projected from the ground with an initial speed of v at ...

    Text Solution

    |

  16. A ball is projected with 20sqrt2 m/s at angle 45^@ with horizontal, th...

    Text Solution

    |

  17. The direction of projectile at certain instant is inclined at angle a ...

    Text Solution

    |

  18. Two bodies are projected from the same point in the directions making ...

    Text Solution

    |

  19. If v1 and v2 be the velocities at the end of focal chord of projectile...

    Text Solution

    |

  20. A projectile fired with velocity u at right angle to the slope which i...

    Text Solution

    |