Home
Class 12
PHYSICS
The potential energy of a particle of ma...

The potential energy of a particle of mass 5 kg moving in the `x-y` plane is given by `U=(-7x+24y)J`, where x and y are given in metre. If the particle starts from rest, from the origin, then the speed of the particle at `t=2`s is

A

5 m/s

B

14 m/s

C

17.5 m/s

D

10 m/s

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 21

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NEET MOCK TEST 4

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The potential energy of a particle of mass 1 kg moving in X-Y plane is given by U=(12x+5y) joules, where x an y are in meters. If the particle is initially at rest at origin, then select incorrect alternative :-

The potential energt of a particle of mass 0.1 kg, moving along the x-axis, is given by U=5x(x-4)J , where x is in meter. It can be concluded that

The potential energy of a partical of mass 2 kg moving in y-z plane is given by U=(-3y+4z)J where y and z are in metre. The magnitude of force ( in newton ) on the particle is :

The potential energy of a particle of mass 5 kg moving in the x-y plane is given by U=-7x+24y joule, x and y being in metre. Initially at t = 0 the particle is at the origin. (0, 0) moving with a velocity of 6[2.4hat(i)+0.7hat(j)]m//s . The magnitude of force on the particle is :

The potential energy of a particle of mass 5 kg moving in xy-plane is given as U=(7x + 24y) joule, x and y being in metre. Initially at t=0 , the particle is at the origin (0,0) moving with velovity of (8.6hati+23.2hatj) ms^(1) , Then

The potential energy of a particle of mass 1 kg in a conservative field is given as U=(3x^(2)y^(2)+6x) J, where x and y are measured in meter. Initially particle is at (1,1) & at rest then:

NTA MOCK TESTS-NEET MOCK TEST 3-PHYSICS
  1. Figure shows the electric lines of force emerging from a charged body....

    Text Solution

    |

  2. When current in a coil changes from 5 A to 2 A in 0.1 s, average volta...

    Text Solution

    |

  3. The potential energy of a particle of mass 5 kg moving in the x-y plan...

    Text Solution

    |

  4. A particle of mass m collides with another stationary particle of mass...

    Text Solution

    |

  5. The number of photoelectrons emitted for light of a frequency v (highe...

    Text Solution

    |

  6. A charge q, moving with velocity upsilon, enters a uniform magnetic fi...

    Text Solution

    |

  7. A body is displaced from (0,0) to (1 m, 1m) along the path x = y by a ...

    Text Solution

    |

  8. Assertion : Average speed is equal to the magnitude of average veloci...

    Text Solution

    |

  9. A particle of mass m is projected at an angle alpha to the horizontal ...

    Text Solution

    |

  10. A ball is released from the top of a tower of height h metre. It takes...

    Text Solution

    |

  11. An impulse J is applied on a ring of mass m along a line passing throu...

    Text Solution

    |

  12. The speed of light (C), gravitational constant (G) and plank's constan...

    Text Solution

    |

  13. A hollow cylinder has a charge q within it. If phi is the electric flu...

    Text Solution

    |

  14. A cubical box with porous walls containing an equal number of O(2) and...

    Text Solution

    |

  15. In a adiabatic process pressure is increased by 2//3% if C(P)//C(V) = ...

    Text Solution

    |

  16. A particle is projected from ground at some angle with horizontal (Ass...

    Text Solution

    |

  17. The acceleration of the 10 kg mass block shown in the figure is : -

    Text Solution

    |

  18. Two tangent galvanometers having coils of the same radius are connecte...

    Text Solution

    |

  19. A light ray moving in medium-I (of refractive index n(1)) is incident ...

    Text Solution

    |

  20. A 3 volt battery with negligible internal resistance is connected in a...

    Text Solution

    |