Home
Class 11
PHYSICS
In the time taken by the projectile to r...

In the time taken by the projectile to reach from `A` to `B` is `t`. Then the distance `AB` is equal to.
.

A

`(ut)/sqrt3`

B

`sqrt3ut/2`

C

`sqrt3ut`

D

`2ut`

Text Solution

Verified by Experts

The correct Answer is:
A

`u_(x)=ucostheta=ucos60^(@)`
`x=AC=u_(x).t` , from figure `cos 30^(@)=(AC)/(AB)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NARAYNA|Exercise NCERT BASED QUES. SINGLE ANS.|8 Videos
  • MOTION IN A PLANE

    NARAYNA|Exercise NCERT BASED QUES. MORE THAN ONE OPTION|6 Videos
  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(C.W)|45 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos
  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

Similar Questions

Explore conceptually related problems

Time taken by the particle to reach from A to B is t . Then the distance AB is equal to

If time taken by the projectile to reach Q is T , than PQ =

A projectile is fired horizontally with velocity of 98 m/s from the top of a hill 490 m high. Find (a) the time taken by the projectile to reach the ground, (b) the distance of the point where the particle hits the ground from foot of the hill and (c) the velocity with which the projectile hits the ground. (g= 9.8 m//s^2) .

From the top of a hill 480 m high , a projectile is fired horizontally with a speed of 96 m//s . Calculate (i) the time taken by projectile to reach the ground . (ii) the distance of the target from the hill . (iii) the velocity with which the projectile hits the ground . Take g=10ms^(-2)

For ground to ground projectile, time take by a particle to ge point O to point C is T_(1) and during the same motion time taken by the particle to ge from A to B is T_(2) then height 'h' is :

(a) A particle moving with constant acceleration from A to B in a straight line AB has velocities u and v at A and B respectively. Find the velocity of the particle at the midpoint of AB . (b) If the time taken by the particle to go from A to the midpoint of AB is two times that from the midpoint of AB to B then find the value of v//u .

The time taken by a particle in reaching from trough to crest in a transverse wave is -

A stone is projected from point A with speed u making an angle 60^@ with horizontal as shown. The fixed inclined suface makes an angle 30^@ with horizontal. The stone lands at B after time t. Then the distance AB is equal to

The given figure shows the elliptical orbit of a planet m about the sun S. If t_(1) is the time taken by the planet of move from C to D and t_(2) is the time taken by the planet to move from A to B, then the relation between t_(1) and t_(2) is [Given, area SCD = 2 (area SAB)]

NARAYNA-MOTION IN A PLANE-Level-III(C.W)
  1. If a stone is to hit at a point which is at a distance d away and at a...

    Text Solution

    |

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

    Text Solution

    |

  3. A particle is dropped from a height h.Another particle which is initia...

    Text Solution

    |

  4. A ball is projected from the top of a tower with a velocity 3hati+4hat...

    Text Solution

    |

  5. A ball is projected from the top of a tower with a velocity 3hati+4hat...

    Text Solution

    |

  6. A cricketer of height 2.5 m thrown a ball at an angle of 30^(@) with t...

    Text Solution

    |

  7. A particle when fired at an angle theta=60^(@) along the direction of ...

    Text Solution

    |

  8. A hiker stands on the edge of a cliff 490 m above the ground and throw...

    Text Solution

    |

  9. A hiker stands on the edge of a cliff 490 m above the ground and throw...

    Text Solution

    |

  10. The direction of a projectile at a certain instant is inclined at an a...

    Text Solution

    |

  11. Two bodies are projected from the same point with same speed in the di...

    Text Solution

    |

  12. At high altitude , a body explodes at rest into two equal fragments wi...

    Text Solution

    |

  13. At a certain height a shell at rest explodes into two equal fragments ...

    Text Solution

    |

  14. A bomb is rest at the summit of a cliff breaks into two equal fragment...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. In the time taken by the projectile to reach from A to B is t. Then th...

    Text Solution

    |

  18. A particle moves on a circle of radius r with centripetal acceleration...

    Text Solution

    |

  19. A particle moves in a circular path such that its speed v varies with ...

    Text Solution

    |

  20. A particle moves in a circle of radius 20 cm. Its linear speed is give...

    Text Solution

    |