Home
Class 11
PHYSICS
A car is accelerated on a levelled road ...

A car is accelerated on a levelled road and attains a velocity 3 times of its initial velocity. In this process the potential energy of the car

A

does not change

B

becomes twice to that of initial

C

becomes 4 times to initial

D

becomes 16 times to that of initial

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS (III. FILL IN THE BLANKS :)|10 Videos
  • WORK, ENERGY AND POWER

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS (IV. CHOOSE THE ODD ONE OUT :)|3 Videos
  • WORK, ENERGY AND POWER

    SURA PUBLICATION|Exercise EXERCISE QUESTIONS (V. CONCEPTUAL QUESTIONS.)|5 Videos
  • WAVES

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

A car is accelerated on a leveled road and attains a velocity 4 times of its initial velocity. In this process, the kinetic energy of the car

For free falling body, its initial velocity is

A missile is launched with a velocity less than escape velocity. The sum of its kinetic and potential energies is:

Two bodies make an elastic head on colision on a smooth horizontal table kept in a car.Do you expect a change in the result if the car is accelerated on a horizontal road because of the noninertial character of the frame? Does the equation velocityof separation = velocity of approach remain valid in n accelerating car? Does the equation final momentum =initial momentum remain valid in the accelerating car?

Explain terms: a. Free fall b. Acceleration due to gravity c Escape velocity d. Centripetal force e. Potential energy

Give examples where a. the velocity of a particle is zero but its acceleration is not zero. b.the velocity is opposite in direction to the acceleration, c. the velocity is perpendicular to the acceleration.

What is the acceleration of a race car that moves at constant velocity of 300 km/h ?

A boy standing on a long railroad car throuws a ball straight upwards. The car is moving on the horizontal road with an acceleration of 1m/s^2 and the projectioon velocity inte vertical direction is 9.8 m/s. How far behind the boy will the ball fall on the car?

SURA PUBLICATION-WORK, ENERGY AND POWER -ADDITIONAL QUESTIONS (I. MULTIPLE CHOICE QUESTIONS :)
  1. Water stored in a dam possesses

    Text Solution

    |

  2. Which one of the following is not the unit of energy ?

    Text Solution

    |

  3. A car is accelerated on a levelled road and attains a velocity 3 times...

    Text Solution

    |

  4. When a body falls freely towards the earth, then its T.E.

    Text Solution

    |

  5. An iron sphere of mass 8 kg has the same diameter as a copper sphere o...

    Text Solution

    |

  6. A boy is carrying a school bag of 5 kg mass on his back and moves 100 ...

    Text Solution

    |

  7. How are joule (J) and erg related

    Text Solution

    |

  8. A simple pendulum hanging freelyand at rest vertical because in the po...

    Text Solution

    |

  9. A bullet is fired and gets embedded in a block kept on table. If table...

    Text Solution

    |

  10. A ball whose Kinetic Energy is E is projected at an angle of 45^(@) to...

    Text Solution

    |

  11. A particle is projected at an angle of 60^(@) to the horizontal with a...

    Text Solution

    |

  12. A gun of mass M fires a bullet of mass m with maximum speed v. G.T. m ...

    Text Solution

    |

  13. A particle of mass m(1) is moving with a velocity v, and another of ma...

    Text Solution

    |

  14. Two bodies of masses m and 4 m are moving with equal kinetic energies....

    Text Solution

    |

  15. The potential energy of a system increases, if work is done

    Text Solution

    |

  16. A shell, in fight explodes into four unequal parts. Which is conserved...

    Text Solution

    |

  17. A bullet hits and gets embedded in a solid block resting on a friction...

    Text Solution

    |

  18. Power can be expressed as

    Text Solution

    |

  19. In an elastic collision

    Text Solution

    |

  20. In an elastic collision

    Text Solution

    |