Home
Class 12
PHYSICS
The momentum of a body in two perpendicu...

The momentum of a body in two perpendicular direction at any time 't' are given by `P_(x) =2t^(2) + 6` and `P_(y) = (3t^(2))/2 + 3`. The force acting on the body at t= 2 sec is

A

5 units

B

2 units

C

10 units

D

15 units

Text Solution

Verified by Experts

The correct Answer is:
C
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

The x and y co-ordinates of a particle at any time t are given as x = 2t^2 +14 and y = 1.5t - 7 . The acceleration of particle at t = 7 sec is :

The coordinates of a moving particle at any time t are given by, x = 2t^(3) and y = 3t^(3) . Acceleration of the particle is given by

The coordinates of a moving particle at any time t are given by x = alpha t^(3) and y = beta t^(3) . The speed of the particle at time t is given by

The angular momentum of a body is given by L=5t^2+2t+1kg m^2/s .The torque acting on the body at t=1 s is

Let the function y = f(x) be given by x= t^(5) -5t^(3) -20t +7 and y= 4t^(3) -3t^(2) -18t + 3 where t in ( -2,2) then f'(x) at t = 1 is

The linear momentum P of a body varies with time and is given by the equation P=x+yt2, where x and y are constants. The net force acting on the body for a one dimensional motion is proportional to-

A body of mass 2kg travels according to the law x(t) = pt + qt^(2) + rt^(3) where , q = 4 ms^(-2) , p = 3 ms^(-1) and r = 5 ms^(-3) . The force acting on the body at t = 2s is

The x and y coordinates of a particle at any time t are given by x = 2t + 4t^2 and y = 5t , where x and y are in metre and t in second. The acceleration of the particle at t = 5 s is

A body of mass 2kg travels according to the law x(t) = pt + qt^(2) + rt^(3) where , q = 4 ms^(-1) , p = 3 ms^(-1) and r = 5 ms^(-1) . The force acting on the body at t = 2s is

The x and y coordinates of a particle at any time t are given by x=7t+4t^2 and y=5t , where x and t is seconds. The acceleration of particle at t=5 s is

AAKASH SERIES-APPENDICES (REVISION EXERCISE)-LAW OF MOTION
  1. A batsman deflects a ball by an angle of 60° without changing its init...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. A unidirectional force F varying with time t as shown in the figure a...

    Text Solution

    |

  17. A U-shaped smooth wire has a semi-circular bending between A and B as ...

    Text Solution

    |

  18. Two particles of mases m(1) and m(2) in projectile motion have velocit...

    Text Solution

    |

  19. A bomb falling freely bursts after 10 sec. (g=10ms^2) into two fragmen...

    Text Solution

    |

  20. An object initially at rest explodes into three equal fragments A, B a...

    Text Solution

    |