Home
Class 11
PHYSICS
A body with mass 2kg moves in one direct...

A body with mass `2kg` moves in one direction in the presence of a force which is described by the potential energy graph. If the body is released from rest at `x=2m`, then its speed when it crosses `x=5m` is `:-`

A

Zero

B

1 `ms^(-1)`

C

`2 ms^(-1)`

D

`3 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise unsolvedMCQ|78 Videos
  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise unsolved|1 Videos
  • WORK, ENERGY AND POWER

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|31 Videos
  • RIGID BODIES AND ROTATIONAL MOTION

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical|63 Videos

Similar Questions

Explore conceptually related problems

A body with mass 1kg moves in one direction in the presence of a force which is described by the potential energy graph. If the body is releasd from rest at x=2 m , than its speed when it crosses x=5 m , is (Neglect dissipative forces).

A body of mass 2 kg is moving under the influence of a central force whose potential energy is given by U = 2r^(3) J . If the body is moving in a circular orbit of 5 m , its energy will be

A body of mass 2kg is projected vertically upwards with a speed of 3m//s . The maximum gravitational potential energy of the body is :

A body of mass 2 kg is at rest. What should be the magnitude of force which will make the body move with a speed of 30 m/s at the end of 1 s?

A body of mass 2kg is moving along north-east direction with a speed sqrt(2) m/s. A force of 0.2 N is applied on the body due west for 10 sec. The final velocity ofthe body is :

A body of mass 5kg is moving along a circle of radius 1m with a uniform speed of 5m//s . The external force acting on the body is

An object of mass 8 kg starts to move from rest under the action of a variable force F=3xN where x is the distance (in m) covered by the object. If initially, the position of the object is x = 2 m, then find its speed ("in m s"^(-1)) when it crosses x = 10 m.

A force is acting on a body moving alonog x-axis in the direction of motion of the body. If this force produces a potential energy u=Ax^(4), where A=1.2Jm^(-4), then the what is the force acting on the body when the body is at x=-0.8m ?

The total energy of a body of mass 2 kg performing S.H.M. is 40 J. Find its speed while crossing the centre of the path.

PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-MCQ
  1. A particle of mass m moves from rest under the action of a constant f...

    Text Solution

    |

  2. A boy whose mass is 30 kg climbs, with a constant speed, a vertical ro...

    Text Solution

    |

  3. A body with mass 2kg moves in one direction in the presence of a force...

    Text Solution

    |

  4. A particle of mass 0.1 kg is subjected to a force which varies with di...

    Text Solution

    |

  5. A motor is to be used to lift water from a depth of 10 m & discharging...

    Text Solution

    |

  6. A small block slides with velocity 0.5sqrt(gr) on the horizontal frict...

    Text Solution

    |

  7. A stone of mass 1 kg tied to a light inextensible string of lenth L=(...

    Text Solution

    |

  8. A particle of mass m is attached to one end of a string of length l wh...

    Text Solution

    |

  9. Two particles, each of mass m are attached to the two ends of a light ...

    Text Solution

    |

  10. Two springs A and B (k(A)=2k(B)) are stretched by applying forces of e...

    Text Solution

    |

  11. A man who is running has half the kinetic energy of a boy of half his ...

    Text Solution

    |

  12. A cord is used to lower vertically a block of mass M, a distance d at ...

    Text Solution

    |

  13. Two blocks each of mass M are connected to the ends of a light frame a...

    Text Solution

    |

  14. A uniform flexible chain of mass m and length 2l hangs in equilibrium ...

    Text Solution

    |

  15. A block of mass 4 kg is resting on a horizontal table and a force of 1...

    Text Solution

    |

  16. IF the block in the shown arrangement is acted upon by a constant forc...

    Text Solution

    |

  17. A car of mass 500 kg is driven with acceleration 1 m//s^(2) along stra...

    Text Solution

    |

  18. A particle of mass m describes a circle of radius r . The centripetal ...

    Text Solution

    |

  19. A large mass M and a small mass m hang at the two ends of string passi...

    Text Solution

    |

  20. The maximum tension an inextensible rope of mass density 0.1 kg m^(-1)...

    Text Solution

    |