Home
Class 12
PHYSICS
A body of mass m is projected with intia...

A body of mass m is projected with intial speed u at an angle `theta` with the horizontal. The change in momentum of body after time t is :-

A

m u `sin theta`

B

2 m u `sin theta`

C

m g t

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (FRICTION)|13 Videos
  • RACE

    ALLEN |Exercise Basic Maths (WORK POWER & ENERGY)|33 Videos
  • RACE

    ALLEN |Exercise Basic Maths (KINEMATICS)|63 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m is projected with speed u at an angle theta with the horizontal. Find the torque of the weight of the particle about the point of projection when the particle is at the highest point.

A particle of mass m has been thrown with intial speed u making angle theta with the horizontal ground. Find the angular momentum of the projectile about an axis perpendicular to the plane and passing through the point of projection when the projectile is (a) At the highest point (b) About to hit the ground

A particle of mass m is projected from the ground with an initial speed u_0 at an angle alpha with the horizontal. At the highest point of its trajectory, it makes a completely inelastic collision with another identical particle, which was thrown vertically upward from the ground with the same initial speed u_0. The angle that the composite system makes with the horizontal immediately after the collision is

A particle is projected with a speed v and an angle theta to the horizontal. After a time t, the magnitude of the instantaneous velocity is equal to the magnitude of the average velocity from 0 to t. Find t.

A ball is projected with speed u at an angle theta to the horizontal. The range R of the projectile is given by R=(u^(2) sin 2theta)/(g) for which value of theta will the range be maximum for a given speed of projection? (Here g= constant)

A body is projected from ground with velocity u making an angle theta with horizontal. Horizontal range of body is four time to maximum height attained by body. Find out (i) angle of projection (ii) Range and maximum height in terms of u (iii) ratio of kinetic energy to potential energy of body at maximum height

The angle of which the velocity vector of a projectile thrown with a velocity u at an angle theta to the horizontal will take with the horizontal after time t of its being thrown up is

A particle is fired with velocity u making angle theta with the horizontal.What is the change in velocity when it is at the highest point?

A particle is projected with a velocity u making an angle theta with the horizontal. At any instant its velocity becomes v which is perpendicular to the initial velocity u. Then v is

A particle of mass m is projected with velocity making an angle of 45^(@) with the horizontal When the particle lands on the level ground the magnitude of the change in its momentum will be .

ALLEN -RACE-Basic Maths (NEWTONS LAWS OF MOTION)
  1. Suppose a rocket with an intial mass M(0) eject a mass Deltam in the f...

    Text Solution

    |

  2. A cart is moving with a velocity 20m/s. Sand is being dropped into the...

    Text Solution

    |

  3. A body of mass m is projected with intial speed u at an angle theta wi...

    Text Solution

    |

  4. If impulse I varies time t as I(kg ms^(-1))=20t^(2)-40t. The change ...

    Text Solution

    |

  5. A cart loaded with sand moving with velocity v. Send is falling throug...

    Text Solution

    |

  6. The average force necessary to stop a hammer with momentum p (in N-s) ...

    Text Solution

    |

  7. Block a of mass 4 kg is to be kept at rest against a smooth vertical w...

    Text Solution

    |

  8. A man of mass 60 kg is in a lift and lift is accelerating upwards with...

    Text Solution

    |

  9. Effective weight of man of mass 50 kg in a lift is 600 N. Lift is acce...

    Text Solution

    |

  10. Find interaction force between 3Kg and 4Kg block.

    Text Solution

    |

  11. On the pan of a spring balance , is placed a beaker containing water ....

    Text Solution

    |

  12. A boy standing on a weighing machine notices his wight as 400 N. When ...

    Text Solution

    |

  13. Three blocks are placed as shown in figure. Mass of A, B and C are m(1...

    Text Solution

    |

  14. Two equal forces are acting at a point with an angle of 60^(@) between...

    Text Solution

    |

  15. Calculate a, T(1), T(2), T(1)' & T(2)'.

    Text Solution

    |

  16. Calculate a & T.

    Text Solution

    |

  17. Calculate a & T.

    Text Solution

    |

  18. Calculate a & T. (masses are in Kg)

    Text Solution

    |

  19. 80 railway wagons all of same mass 5xx10^(3)kg are pulled by an engine...

    Text Solution

    |

  20. A block of mass m is pulled by a uniform chain of mass m tied to it by...

    Text Solution

    |