Home
Class 12
PHYSICS
A particle projected at some angle with ...

A particle projected at some angle with velocity 50 m/s crosses a 20 m high wall after 4 s from the time of projection. The angle of porjection of the particle is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`53^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    AAKASH INSTITUTE|Exercise Assignement section -C Objective (More than one option is correct)|5 Videos

  • MOTION IN A PLANE

    AAKASH INSTITUTE|Exercise Assignement section -D (Linked Comprehension)|8 Videos

  • MOTION IN A PLANE

    AAKASH INSTITUTE|Exercise Assignement section -A Objective (one option is correct)|50 Videos

  • MOCK_TEST_17

    AAKASH INSTITUTE|Exercise Example|15 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - D)|15 Videos

Similar Questions

Explore conceptually related problems

A particle is projected from ground with velocity 40sqrt2m at 45^(@) .At time t=2s

A stone is projected from the ground with velocity 25m//s . Two seconds later, it just clears a wall 5 m high. The angle of projection of the stone is (g = 10m //sec^(2))

A particle is projected from ground with velocity 40sqrt(2)m//s at 45^(@) . At time t=2s

A body projected from a point O at an angle theta , just crosses a wall y m high at a distance. x m from the point of projection and strikes the ground at Q beyond the wall as shown, then find height of the wall

A particle is projected at an angle theta from ground with speed u (g = 10 m/ s^2 )

A particle projected from ground moves at angle 45^(@) with horizontal one second after projection and speed is minimum two seconds after the projection The angle of projection of particle is [ Neglect the effect of air resistance )

A particle is projected from ground with velocity 3hati + 4hati m/s. Find range of the projectile :-

A particle is projected at an angle 60^@ with horizontal with a speed v = 20 m//s . Taking g = 10m//s^2 . Find the time after which the speed of the particle remains half of its initial speed.

A particle is projected with a velocity of 20sqrt(3) m s^(-1) at an angle of 60^(@) to the horizontal.At the moment,the direction of motion of the projectile is perpendicular to the direction of initial velocity of projection, its velocity is?

A particle is thrown with a velocity 10 m//s and its horizontal range is 5 m . Find angle/angles of the projection.

AAKASH INSTITUTE-MOTION IN A PLANE-Assignement section -B Objective (one option is correct)
  1. One second after the projection, a stone moves at an angle of 45^@ wi...

    Text Solution

    |

  2. The horizontal range of a projectile is R and the maximum height attai...

    Text Solution

    |

  3. The speed of a projectile when it is at its greatest height is sqrt(2/...

    Text Solution

    |

  4. If the horizontal range of a projectile be a and the maximum height at...

    Text Solution

    |

  5. A grasshopper can jump a maximum horizontal distance of 40cm. If it sp...

    Text Solution

    |

  6. A body is projected horizontally with a speed v(0) find the velocity o...

    Text Solution

    |

  7. A particle is thrown with the speed u at an angle alpha with the horiz...

    Text Solution

    |

  8. A projectile is thrown with an initial velocity (v(x)hati + v(y)hatj) ...

    Text Solution

    |

  9. A particle is projected with a velocity of 30 m/s at an angle theta...

    Text Solution

    |

  10. A projectile has same range for two angules of projection. If times of...

    Text Solution

    |

  11. A particle is projected with velocity 50 m/s at an angle 60^(@) with...

    Text Solution

    |

  12. A projectile is fired to have maximum range 500 m. Maximum height atta...

    Text Solution

    |

  13. A particle projected at some angle with velocity 50 m/s crosses a 20 m...

    Text Solution

    |

  14. Two paper screens A and B are separated by a distance of 100m. A bulle...

    Text Solution

    |

  15. A stone is thrown from the top of a tower at an angle of 30^(@) above...

    Text Solution

    |

  16. A level flight olane flying at an altitude of 1024 ft with a speed of ...

    Text Solution

    |

  17. A particle is projected from the bottom of an inclined plane of inclin...

    Text Solution

    |

  18. A man desires to swim across the river in shortest time. The velocity ...

    Text Solution

    |

  19. Two cars A and B cross a point P with velocities 10m//s and 15m//s. Af...

    Text Solution

    |

  20. A man can swim at 4 m/s in a still water swimming pool. He enters a ...

    Text Solution

    |