Home
Class 11
PHYSICS
A particle moves in the x-y plane under ...

A particle moves in the x-y plane under the influence of a force such that the linear momentum is `vec(p)(t)=A[hati cos kt-hatj sin kt]` where, A and k are constants. The angle between force and momentum is

A

`0^@`

B

`30^@`

C

`45^@`

D

`90^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Gravitation

    TARGET PUBLICATION|Exercise Exercise|273 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

Similar Questions

Explore conceptually related problems

A particle moves in the xy plane under the influence of a force such that its linear momentum is vecP(t) = A [haticos(kt)-hatjsin(kt)] , where A and k are constants. The angle between the force and momentum is

A particle moves in the xy-plane under the action of a force F such that the components of its linear momentum p at any time t and p_(x)=2cos t, p_(y)=2sin t. the angle between F and p at time l is

A particle moves in the x-y plane under the action of a force vecF such that the value of its linear momentum vecP at any time t is P_(x)=2 cost and p_(y)=2sint . What is the angle theta between vecF and P at a given time t?

A particle moves in the x-y plane under the action of a force vec(F) such that the components of its linear momentum vec(P) at any time t are p_(x) = cos t and p_(y) = 3 sin t. What is the magnitude of the vector vec(F) ?

The displacement x of a particle moving in one dimension under the action of a constant force is related to the time t by the equation t = sqrtx + 3 , where x is in metre and t is in second. The work done by the force in the first 6 second is

A particle of charge q moves with a velocity vecv = ahati in a magnetic field of vecB = b hatj + c hatk where a ,b and c are constants. The magnetic of the force experienced by the particle is

The linear momentum p of a body moving in one dimension varies with time according to the equation p=a+bt^(2) where a and b are positive constants. The net force acting on the body is

A particle moves in x-y plane according to ru le x =a sin omegat and y= a cos omegat . The particles follows:

A force vec((F)) = - K(yhat(i) + x hat(j)) (where K is a positive constant) acts on a particle moving in the X-Y plane. Starting from the origin, the particle is taken along the positive X-axis to the point (a, 0) and then parallel to the Y-axis to the point (a,a). The total work done by the force vec(F) . of the particle is

The displacement of a particle moving in a straight line is given by the expression x=At^3 + Bt^2 + Ct +D in metres, where t is in second and A, B, C and D are constants. The ratio between the initial acceleration and initial velocity is

TARGET PUBLICATION-LAWS OF MOTION-EXERCISE
  1. A bullet of mass 4.2xx10^(-2) kg, moving at speed of 300" ms"^(-1), ge...

    Text Solution

    |

  2. A hammer of mass m(1) falls from a height h and drives a pile of mass ...

    Text Solution

    |

  3. The momentum of a body of mass 8 kg is 20 kg m/s. A force of 12 N acts...

    Text Solution

    |

  4. A 1 kg ball moving with a speed of 20 m/s strikes a hard wall at an an...

    Text Solution

    |

  5. A particle moves in the x-y plane under the influence of a force such ...

    Text Solution

    |

  6. A system of two particles is having masses m(1) and m(2). If the parti...

    Text Solution

    |

  7. Three masses of 2 kg, 12 kg and 4 kg are connected to each other with ...

    Text Solution

    |

  8. Two balls of masses 4 g and 10 g are moving with kinetic energies in t...

    Text Solution

    |

  9. A rope of mass 0.2 kg is connected at the same height of two opposite...

    Text Solution

    |

  10. At t=0, force F =kt is applied to a small body of mass m resting on a ...

    Text Solution

    |

  11. A body of mass 4m is split into two equal parts by an internal explosi...

    Text Solution

    |

  12. Assertion : The centre of mass of a body may lie where there is no mas...

    Text Solution

    |

  13. Particle A makes a perfectly elastic collision with anther particle B ...

    Text Solution

    |

  14. Assertion: For the object moving on the earth, earth is non-inertial f...

    Text Solution

    |

  15. An explosion breaks a rock into three parts in a horizontal plane. Two...

    Text Solution

    |

  16. Three identical spheres each of radius r, and mass m are placed touchi...

    Text Solution

    |

  17. A circket ball of mass m is bowled at a batsman and gets to the bat tr...

    Text Solution

    |

  18. There blocks of masses m(1),m(2) and m(3) are connected by massless st...

    Text Solution

    |

  19. Two glass balls, two ivory balls, two cork balls, two cast iron balls,...

    Text Solution

    |

  20. A hollow metallic bob is filled with a liquid. A small hole is drilled...

    Text Solution

    |