Home
Class 12
PHYSICS
A body of mass 1 kg is moving with veloc...

A body of mass 1 kg is moving with velocity `30 ms^(-1)` due north. It is acted on by a force of 10 N due east for 4 seconds. Find the velocity of the body after the force ceases to act.

A

`50 m//s , tan^(-1) (3/4)`

B

`100 m//s , tan^(-1) (4/3)`

C

`50 m//s , tan^(1) (3/5)`

D

`100 m//s , tan^(-1) (4/5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise MOTION IN A PLANE|87 Videos
  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos
  • ATOMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|21 Videos

Similar Questions

Explore conceptually related problems

A body of mass (1)/(4) kg moving with velocity 12 m//s is stopped by applying a force of 0.6 N. Then impulse is :-

A body of mass 5 kg is moving with a velocity of 20 m/s. If a force of 100 N is applied on it for 10 s in the same direction as its velocity, what will be the velociy of the body ?

A ball of mass 0.5 kg is moving with a velocity of 2 ms^(-1) . It if subjected to a force of x Newton for 2s. Because of this force, the ball moves with a velocity of 3ms^(-1) . The value of x is :

A body of mass 4 kg is moving with momentum of 8 kg m s^(-1) . A force of 0.2 N acts on it in the direction of motion of the body for 10 s. The increase in kinetic energy is

A body of mass 10 kg is being acted upon by a force 3t^2 and an opposing constant force of 32 N. The initial speed is 10 ms^-1. The velocity of body after 5 s is

A particle of mass 2kg is moving in free space with velocity vecv_0=(2hati-3hatj+hatk)m//s is acted upon by force vecF=(2hati+hatj-2hatk)N . Find velocity vector of the particle 3s after the force starts acting.

A force of 10 N acts on a body of mass 5 kg. Find the acceleration produced.

A vehicle of mass 20kg is moving with a velocity of 4 ms^(-1) . Find the magnitude of the force that is to be applied on the vehicle so that the vehicle have a velocity of 1 ms^(-1) after travelling a distance of 20m.

A body of mass 10 kg and velocity 10 m/s collides with a stationary body of mass 5 kg . After collision both bodies stick to each other , velocity of the bodies after collision will be

A body of mass 10 kg is moving on a horizonal surface be applying a force of 10 N in the forward direction. The body moves with a constant velocity of 0.2ms^(-1) . Work done by the force of friction in the first 10 seconds is

AAKASH SERIES-APPENDICES (REVISION EXERCISE)-LAW OF MOTION
  1. A body of mass 1 kg is moving with velocity 30 ms^(-1) due north. It i...

    Text Solution

    |

  2. A force of 20 N acts on a body of mass 5kg at rest. What is the accele...

    Text Solution

    |

  3. A truck starts from rest and accelerates uniformly at 2.0 ms^(-2) . At...

    Text Solution

    |

  4. A particle of mass 70 g, moving at 50 cm/s , is acted upon by a variab...

    Text Solution

    |

  5. A ball of mass 400 gm is dropped from a height of 5m. A boy on the gro...

    Text Solution

    |

  6. A batsman deflects a ball by an angle of 60° without changing its init...

    Text Solution

    |

  7. A body of mass 5 kg is at rest. Three force F(1) = 10 N due North F2=1...

    Text Solution

    |

  8. The momentum of a body in two perpendicular direction at any time 't' ...

    Text Solution

    |

  9. A bullet is fired from a gun. The force on the bullet is given by F=60...

    Text Solution

    |

  10. A body of mass 5kg starts from the origin with an initial velocity of...

    Text Solution

    |

  11. A 15Kg mass is accelerated from rest with a force of 100N. As it moves...

    Text Solution

    |

  12. A cart loaded with sand moves along a horizontal floor due to a consta...

    Text Solution

    |

  13. Two billiard balls each of mass 0.05 kg moving in opposite direction w...

    Text Solution

    |

  14. Figure 5.17 shows the position-time graph of a body of mass 0.04 kg . ...

    Text Solution

    |

  15. The driver of a three-wheeler moving with a speed of 36 km/h sees a ch...

    Text Solution

    |

  16. If the average velocity of a body moving with uniform acceleration und...

    Text Solution

    |

  17. Five persons A, B, C, D & E are pulling a cart of mass 100kg on a smoo...

    Text Solution

    |

  18. A box is put on a scale which is adjusted to read zero, when the box i...

    Text Solution

    |

  19. Two masses each equal to m are lying on x-axis at (-a,0)(+a,0) respect...

    Text Solution

    |

  20. Water is flowing at a speed of 1.5ms^(-1) through a horizontal tube of...

    Text Solution

    |