Home
Class 11
PHYSICS
The speed of a projectile at its maximum...

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

A

`60^0`

B

`15^0`

C

`30^0`

D

`45^0`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a Plane

    SL ARORA|Exercise Example|111 Videos

  • MECHANICS

    SL ARORA|Exercise Exercise|341 Videos

  • MOTION IN ONE DIMENSION

    SL ARORA|Exercise problems for self practice|66 Videos

Similar Questions

Explore conceptually related problems

The speed of a projectile at its maximum height is sqrt3//2 times its initial speed. If the range of the projectile is n times the maximum height attained by it, n is equal to :

The potential energy of a projectile at maximum height is 3/4 times kinetic energy of projection.Its angle of projection

The total speed of a projectile at its greater height is sqrt(6/7) of its speed when it is at half of its greatest height. The angle of projection will be :-

The range of a projectile, thrown with an initial speed u at the angle of projection 15^(@) is R . What will be the range if it is thrown with an initial speed 2u at an angle 30^(@) ?

The horizontal range of a projectile is 2 sqrt(3) times its maximum height. Find the angle of projection.

Show that the horizontal range of a projectile is same for two angles of projection . Is the sum of maximum heights for these two angles dependent on the angle of projectile ?

The range of a projectile for a given initial velocity is maximum when the angle of projection is 45^(@) . The range will be minimum, if the angle of projection is

SL ARORA-Motion in a Plane-Excercise
  1. A coastguard ship locates a pirate ship at a distance of 560 m. It fir...

    Text Solution

    |

  2. Ratio between maximum range and square of time of flight in projectile...

    Text Solution

    |

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

    Text Solution

    |

  4. One projectile moving with velocity v in space gets burst into 2 parts...

    Text Solution

    |

  5. A particle is projected with certain velocity at two different angles ...

    Text Solution

    |

  6. If a projectile crosses two walls of equal height h symmetrically as s...

    Text Solution

    |

  7. A body executing uniform circular motion has at any instant its veloci...

    Text Solution

    |

  8. the circular motion of a particle with constant speed is

    Text Solution

    |

  9. The angular speed of a fly-wheel making 120 revolutions /minute is :

    Text Solution

    |

  10. r denotes the distance between the sun and the earth. Assume that the ...

    Text Solution

    |

  11. Figure shows a body of mass m moving with a uniform speed v along a ci...

    Text Solution

    |

  12. What is the value of linear velocity, if vecomega=3hati-4hatj+hatk and...

    Text Solution

    |

  13. A particle moves in x-y plane according to ru le x=a sin omegat and y=...

    Text Solution

    |

  14. If a body moves along circular path of constant radius, then the magni...

    Text Solution

    |

  15. A particle moves with constant speed v along a circular path of radius...

    Text Solution

    |

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

    Text Solution

    |

  17. In hydrogen atom, the electron is moving round the nucleus with veloci...

    Text Solution

    |

  18. If a cycle wheel of radius 4 m completes one revolution in two seconds...

    Text Solution

    |

  19. A stone tied to the end of string 80 cm long is whirled in horizontal ...

    Text Solution

    |

  20. A stone tied to the end of string 1m long is whirled in a horizontal c...

    Text Solution

    |