Home
Class 12
PHYSICS
A body of mass 3 kg is under a constant ...

A body of mass `3 kg` is under a constant force which causes a displacement `s` metre in it, given by the relation `s=(1)/(3)t^(2)`, where `t` is in seconds. Work done by the force in 2 seconds is

A

`(5)/(19)J`

B

`(3)/(8)J`

C

`(8)/(3)J`

D

`(19)/(5)J`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    MOTION|Exercise Exercise - 3 Section-B|22 Videos

  • WORK, POWER & ENERGY

    MOTION|Exercise Exercise - 2|30 Videos

  • WAVES

    MOTION|Exercise EXERCISE -4 (Level -II) (previous year JEE Advanced)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass 6kg is under a force which causes displacement in it given by S= (t^(2))/(4) maters where t is time . The work done by the force in 2 sec is

A body of mass 3 kg is under a force , which causes a displacement in it is given by S = (t^(3))/(3) (in metres). Find the work done by the force in first 2 seconds.

A body of mass 5 kg at rest under the action of a force which gives its velocity given by v = 3 xx t m//s , here 't' is time in seconds. The work done by the force in two seconds will be

The displacement of a partcle is given by x=(t-2)^(2) where x is in metre and t in second. The distance coverred by the particle in first 3 seconds is

The displacement x of a particle of mass m kg moving in one dimension, under the action of a force, is related to the time t by the equation t=4x+3 where x is in meters and t is in seconds. The work done by the force in the first six seconds in joules is

MOTION-WORK, POWER & ENERGY -Exercise - 3 Section-A
  1. A force F acting on an object varies which distance x as shown in the ...

    Text Solution

    |

  2. A bolck of mass 10 kg is moving in x-direction with a constant speed o...

    Text Solution

    |

  3. A body of mass 3 kg is under a constant force which causes a displacem...

    Text Solution

    |

  4. 300J of work is done in slinding a 2 kg block up an inclined plane of ...

    Text Solution

    |

  5. For inelastic collsion between two spherical rigid bodies

    Text Solution

    |

  6. A vertical spring with force constant k is fixed on a table. A ball of...

    Text Solution

    |

  7. A spherical ball of mass 20kg is stationary at the top of a hill of he...

    Text Solution

    |

  8. An explosion blows a rock into three parts. Two parts go off at right ...

    Text Solution

    |

  9. A block of mass m attached in the lower and vertical spring The spring...

    Text Solution

    |

  10. Two bodies of mass 1 kg and 3kg have position vectors hati+2hatj+hatka...

    Text Solution

    |

  11. An engine pumps water continously through a hose. Water leave the hose...

    Text Solution

    |

  12. A body of mass 1 kg is thrown upwards with a velocity 20 ms^(-1). It m...

    Text Solution

    |

  13. A plate of mass m, length b, and breadth a is initially lying on a hor...

    Text Solution

    |

  14. force F on a partical moving in a straight line veries with distance d...

    Text Solution

    |

  15. A body mass M hits normally a rigid wall with velocity v and bounces b...

    Text Solution

    |

  16. A person of mass 60kg is inside a lift of mass 940kg and presses the b...

    Text Solution

    |

  17. The potential energy of a system increased if work is done

    Text Solution

    |

  18. A car of mass m starta from rest and accelerates so that the instyanta...

    Text Solution

    |

  19. A partical of mass m is driven by a machine that deleveres a constant ...

    Text Solution

    |

  20. A block of mass 10 kg, moving in x-direction with a constant speed of ...

    Text Solution

    |