Home
Class 11
PHYSICS
A machine gun is mounted on the top of a...

A machine gun is mounted on the top of a tower of height h=100 m. At what angle should the gun be inclined to cover a maximum range of firing on the ground below ?The muzzle speed of the bullet is `u=150 m s^(-1)` and `g=10 m s^(-2)` .

Text Solution

Verified by Experts

The correct Answer is:
`[46.3^(@)]`
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|18 Videos

  • KINEMATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs Single Option Correct|35 Videos

  • KINEMATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Pro.|83 Videos

  • GRAVITATION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical|94 Videos

  • LINEAR MOMENTUM & ITS CONSERVATION

    PHYSICS GALAXY - ASHISH ARORA|Exercise exercise 1.3|3 Videos

Similar Questions

Explore conceptually related problems

A machine gun is mounted on the top of a tower of height h . At what angle should the gun be inclined to cover a maximum range of firing on the ground below ? The muzzle speed of bullet is 150 ms^-1 . Take g = 10 ms^-2 .

A machine gun is mounted on the top of a tower 60 m At what angle showld the gun be inclined to cver a vaximu range of firing on the groun below? The muzzle speed of the bullet is 90 ms^(-1) take g= 10 ms^(1) .

A stone is thrown from a cliff 4.2 m high . At what angle he must incline his rifle in order to cover a maximum range of firing on the ground below . Taken muzzle velocity of bullet =20m//s and g=10ms^(-2) .

A machine gun fires a bullet of mass 65 g with a velocity of 1300 m/s. The main holding it can exert a maximum force of 169 N on the gun. The number of bullets he can fire per second will be

A machine gun fires a bullet of mass 65 g with a velocity of 1300 m/s. The man holding it can exert a maximum force of 169 N on the gun. The number of bullets he can fire per second will be

A machine gun fires a bullet of mass 40 gm with a speed 1200 m//s The man holding it can exert a maximum force of 144 N on the gun. How many bullets can he fire per second at the most?

A bullet is fired from a gun eith a speed of 1000m/s on order to hit target 100 m away At what height above target should the gun be aimed ? (The resistance of air is negligible and g = 10 m//s^(2) )

A machine gun fires 50-g bullets at a speed of 1000 m/s . The gunner , holding the machine in his hands , can exert an average force of 150 N against the gun . Calculate the maximum number of bullets he can fire one minute.

A machine gun fires n bullets per second each of mass m . If the speed of each bullet is v, then the force of recoil is

PHYSICS GALAXY - ASHISH ARORA-KINEMATICS-Practice Exercise
  1. A ball is thrown from a point in level with velocity u and at a horizo...

    Text Solution

    |

  2. In a "RamLeela"stage show an unhappy guy from audience throws an rotte...

    Text Solution

    |

  3. A machine gun is mounted on the top of a tower of height h=100 m. At w...

    Text Solution

    |

  4. A partacle is thrown in horizontal direction with speed u from a point...

    Text Solution

    |

  5. From an inclined plane a particleis thrown in a direction normal to th...

    Text Solution

    |

  6. A body is projected up with a speed v0 along the line of greatest slop...

    Text Solution

    |

  7. A partacle is thrown in horizontal direction with speed u from a point...

    Text Solution

    |

  8. In example 1.49 find the velocity of the mid point of the rod in terms...

    Text Solution

    |

  9. Two rings O and O' are put on two vertical stationary rods AB and A'B'...

    Text Solution

    |

  10. An aircraft is descending to land at an airport in the morning. The ai...

    Text Solution

    |

  11. Figure shows s small mass m hanging over a pulley. The other end of th...

    Text Solution

    |

  12. A man of height 1.2 m walks away from a lamp hanging at a height of 4....

    Text Solution

    |

  13. Find the speed of the box-3, if box-1 and box-2 are moving with speeds...

    Text Solution

    |

  14. A smooth ring A of mass m can slide on a fixed horizontal rod. A strin...

    Text Solution

    |

  15. Figure shows a pulley over which is string passes and connected to two...

    Text Solution

    |

  16. Find the relation in the accelerations of the three masses shown in fi...

    Text Solution

    |

  17. Figure (a) and (b) shows a system of two masses A and B a motor M. fin...

    Text Solution

    |

  18. Find the Relation among velocities of the blocks shown in figure (a), ...

    Text Solution

    |

  19. Block B shown in figure , moves downwards with a constant velocity of ...

    Text Solution

    |

  20. Block C shown in figure, starts from rest and moves downward with a co...

    Text Solution

    |