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

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

    VMC MODULES ENGLISH|Exercise EFFICIENT|50 Videos

  • WAVE MOTION

    VMC MODULES ENGLISH|Exercise JEE ADVANCED ARCHIVE LEVEL 2 (TRUE FALSE TYPE)|4 Videos

Similar Questions

Explore conceptually related problems

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 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.

The displacement of an object of mass 3 kg is given by the relation S=(1)/(3)t^(2) , where t is time in seconds. If the work done by the net force on the object in 2 s is (p)/(q) joule, where p and q are smallest integer values, then what is the value of p+q ?

The distance x moved by a body of mass 0.5 kg under the action of a force varies with time t as x(m)=3t^(2)+4t+5 Here, t is expressed in second. What is the work done by the force in first 2 seconds?

Under the action of a force, a 1 kg body moves, such that its position x as function of time t is given by x=(t^(3))/(2). where x is in meter and t is in second. The work done by the force in fiest 3 second is

The position x of a particle moving along x - axis at time (t) is given by the equation t=sqrtx+2 , where x is in metres and t in seconds. Find the work done by the force in first four seconds

A particle of mass 1 kg moves in a circular path of radius 1 m such that its speed varies with time as per equation v=3t^(2)m//s where time t is in seconds. The power delivered by the force acting on the paritcle at t=1s , is :-

The displacement of a body is given by s=(1)/(2)g t^(2) where g is acceleration due to gravity. The velocity of the body at any time t is

Under the action of a force, a 2 kg body moves such that its position x as a function of time is given by x =(t^(3))/(3) where x is in metre and t in second. The work done by the force in the first two seconds is .

VMC MODULES ENGLISH-WORK ENERGY AND POWER -IMPECCABLE
  1. A spring of spring constant 5 xx 10^(3) N//m is stretched initially by...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. When a spring a stretched through a distance x, it exerts a force give...

    Text Solution

    |

  5. 4m^(3) of water is to be pumped to a height of 20 m and forced into a...

    Text Solution

    |

  6. A particle of mass m at rest is acted upon by a constant force F for a...

    Text Solution

    |

  7. If the angular momentum of a body increases by 50%, its kinetic energy...

    Text Solution

    |

  8. A quarter horse power motor runs at a speed of 600 r . p . m . Assumin...

    Text Solution

    |

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

    Text Solution

    |

  10. A Force F acting on an object varies with distance x as shown in the h...

    Text Solution

    |

  11. A cyclist rides up a hill at a constant velocity. Determine the power ...

    Text Solution

    |

  12. A body of mass 10 kg moves with a constant speed v of 2 ms^(-1) along ...

    Text Solution

    |

  13. A car of mass 1000kg accelerates uniformly from rest to a velocity of ...

    Text Solution

    |

  14. A bullet of mass m moving with velocity v strikes a suspended wooden b...

    Text Solution

    |

  15. A body is projected horizontally with a velocity of u ms^(-1) at an an...

    Text Solution

    |

  16. An open water tight railway wagon of mass 5 xx 10^3 kg coasts at init...

    Text Solution

    |

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

    Text Solution

    |

  18. Two bodies of masses 4 kg and 5 kg are moving with equal momentum. The...

    Text Solution

    |

  19. A body of mass 5 kg is thrown vertically up with a kinetic energy of 4...

    Text Solution

    |

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

    Text Solution

    |