Home
Class 12
PHYSICS
A projectile is fired at an angle of 30^...

A projectile is fired at an angle of `30^(@)` to the horizontal such that the vertical component of its initial velocity is `80m//s`. Its time of fight is `T`. Its velocity at `t=T//4` has a magnitude of nearly.

A

`200 m//s`

B

`174 m//s`

C

`190 m//s`

D

`144m//s`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    FIITJEE|Exercise SECTION (II) : (SUBJECTIVE )|33 Videos

  • KINEMATICS

    FIITJEE|Exercise SECTION(II) : MCQ ( SINGLE CORRECT)|47 Videos

  • KINEMATICS

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS|3 Videos

  • HEAT AND TEMPERATURE

    FIITJEE|Exercise NUMERICAL BASES QUESTIONS|1 Videos

  • LAWS OF MOTION

    FIITJEE|Exercise COMPREHENSION-III|2 Videos

Similar Questions

Explore conceptually related problems

A projectile is fired at an angle of 30^(@) with the horizontal such that the vertical component of its initial velocity is 80m/s. Find approximatly the velocity of the projectile at time T//4 where T is time of flight.

When a projectile is fired at an angle theta w.r.t horizontal with velocity u, then its vertical component:

A football is kicked at an angle of 30^(@) with the vertical, so if the horizontal component of its velocity is 20 ms^(-1) , determine its maximum height.

A body is thrown at an angle 30^(@) to the horizontal with the velocity of 30m// After 1 sec. its velocity will be ("in"m//s) (g=10 m//s^(2))

A projectile is fired with 10ms^-1 at an angle of 60o with horizontal.During its motion,its velocity,when it makes 30o to horizontal is

A stone is projected at an angle of 30^(@) with the vertical. If the horizontal component of its velocity is 9.8m//s , calculate the maximum height attained by the stone and its horizontal range .

A projectile is fired with a velocity 'u' making an angle theta with the horizontal. Show that its trajectory is a parabola.

A projectile is thrown with initial velocity u_(0) and angle 30^(@) with the horizontal. If it remains in the air for 1s. What was its initial velocity ?

An aeroplane taked off at an angle of 30^(@) to the horizontal. If the component of its velocity along the horizontal is 200 kmh^(-1) , what is its actual velocity ? Also find the vertical component of its velocity.

FIITJEE-KINEMATICS-SECTION(I): MCQ (SINGLE CORRECT)
  1. A cat runs along a straight line with constant velocity of magnitude v...

    Text Solution

    |

  2. A rod of length l forming an angle theta with the horizontal strikes a...

    Text Solution

    |

  3. A projectile is fired at an angle of 30^(@) to the horizontal such tha...

    Text Solution

    |

  4. The magnitude of radius vector of a point varies with time as r = beta...

    Text Solution

    |

  5. In one dimensional motin, a 1 kg body experiences a force, which is li...

    Text Solution

    |

  6. A uniform square plate ABCD has mass M side length a. It is sliding o...

    Text Solution

    |

  7. A uniform ring of mass 'm' and radius 'R' is projected horizontally wi...

    Text Solution

    |

  8. The uniform cubical slab of side 'a' is released from rest in the posi...

    Text Solution

    |

  9. In one dimentional collision between two idential particles 'A' and 'B...

    Text Solution

    |

  10. A ball is suspended from the accelerating car by two cords 'A' and 'B'...

    Text Solution

    |

  11. A point mass m is connected with ideal inextensible string of length l...

    Text Solution

    |

  12. A particle is moving in a striaght line and at a given time, its displ...

    Text Solution

    |

  13. A particle is moving in a circle of radius (2)/( 3) m and mass of the ...

    Text Solution

    |

  14. A rod AB of length l = 1m and mass m = 2kg is pinned to a vertical sha...

    Text Solution

    |

  15. A block can slide along incline plane as shown in figure. The accelera...

    Text Solution

    |

  16. A block of mass 100kg is kept on a horizontal rough surface. A man of ...

    Text Solution

    |

  17. A particle of mass m moves on the x-axis under the influence of a forc...

    Text Solution

    |

  18. A particle of mass m moves from A to C under the action of force vecF ...

    Text Solution

    |

  19. Velocity of particle moving along x-axis is given as v = ( x^(3) - x^(...

    Text Solution

    |

  20. A particle is projected with initial velocity u = 10 m//s from a point...

    Text Solution

    |