Home
Class 11
PHYSICS
An object of m kg with speed of v m s^(-...

An object of m kg with speed of v `m s^(-1)` strikes a wall at an angle `theta` and rebounds at the same speed and same angle. Find the magnitude of change in the momentum of object.

A

`2m v cos theta`

B

`2m v sin theta`

C

`0`

D

`2 m v`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise SET|25 Videos

Similar Questions

Explore conceptually related problems

An object of m kg with speed of m s^(-1) strikes a wall at an angle theta and rebounds at the same speed and same angle. Find the magnitude of change in the momentum of object.

A 5 kg object with speed of 30 m//s strikes a steel plants at an angle 45^(@) and rebound at the same speed and same angle (Fig. 3.43). Calculate. (a) the magntiude of the change is momentum of the object and (b) the change in the magnitude of the momentum of the object.

A ball moving with a momentum of 5 kg ms^(-1) strikes against a wall at an angle of 45^@ and is reflected at the same angle. Calculate the change in momentum.

A body of mass m collides against a wall with the velocity v and rebounds with the same speed. Its magnitude of change of momentum is

A particle moving with speed v_(0)=10sqrt(2) ms^(-1) strikes a wall at an angle 45^(@) as shown in figure. Find magnitude of change in velocity.

A mass m with velocity u strikes a wall normally and returns with same speed. What is the magnitude of the change in momentum of the body when it returns.

A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at an angle 60^(@) (as shown in figure). The ball rebounds at the same speed and remains in contact with the wall for 0.2 s, the force exerted by the ball on the wall is

A woman throws and object of mass 500g with a speed of 25ms^(-1) . If the object hits a wall and rebounds with half the original speed, what is the change in momentum of the object?

A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle of 30^(@) with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 s, the average force acting on the wall is :

A ball moving with a momentum of 5kg ms^(-1) strikes against a wall at an angle of 45^(@) and is reflected at the same angle Calculate the impulse .

ERRORLESS -VECTORS-Exercise
  1. If the sum of two unit vectors is a unit vector,then find the magnitud...

    Text Solution

    |

  2. vecA=2hati+hatj,B=3hatj-hatk and vecC=6hati-2hatk. value of vecA-2ve...

    Text Solution

    |

  3. An object of m kg with speed of v m s^(-1) strikes a wall at an angle ...

    Text Solution

    |

  4. For the resultant of the two vectors to be maximum, what must be the a...

    Text Solution

    |

  5. A particle is simultaneously acted by two forces equal to 4 N and 3N. ...

    Text Solution

    |

  6. Two vectors vec(A) and vec(B) lie in plane, another vector vec(C ) lie...

    Text Solution

    |

  7. If the resultant of the two forces has a magnitude smaller than the ma...

    Text Solution

    |

  8. Forces F(1) and F(2) act on a point mass in two mutually perpendicular...

    Text Solution

    |

  9. If |vecA-vecB|=|vecA|=|vecB|, the angle between vecA and vecB is

    Text Solution

    |

  10. Let the angle between two nonzero vector vecA and vecB is 120^@ and it...

    Text Solution

    |

  11. A magnitude of vector vecA,vecB and vecC are respectively 12, 5 and 13...

    Text Solution

    |

  12. Magnitude of vector which comes on addition of two vectors, 6hati+7hat...

    Text Solution

    |

  13. A particle has displacement of 12m towards east and 5 m towards north ...

    Text Solution

    |

  14. The three vectors vecA=3hati-2hatj+hatk, vecB=hati-3hatj+5hatk and vec...

    Text Solution

    |

  15. For the figure shown .

    Text Solution

    |

  16. Let vecC=vecA+vecB

    Text Solution

    |

  17. The value of the sum of two vectors vecA and vecB with theta as the an...

    Text Solution

    |

  18. The following sets of three vectors act on a body. Whose resultant can...

    Text Solution

    |

  19. When three forces of 50 N, 30 N and 15 N act on body, then the boy is

    Text Solution

    |

  20. The sum of two forces at a point is 16N. if their resultant is normal...

    Text Solution

    |