Home
Class 12
PHYSICS
A vehicle is driven along a straight hor...

A vehicle is driven along a straight horizontal track by a motor which exerts a constant driving force. The vehicle starts from rest at `t=0` and the effects of friction and air resistance are negligible. If the kinetic eneryg of the vehicle at time t is E and power developed by the motor is P, which of the following graphs are correct?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    FIITJEE|Exercise ASSIGNMENT PROBLEMS ( OBJECTIVE) (LEVEL-I) (ASSERTION REASONING TYPE)|2 Videos
  • WORK, ENERGY AND POWER

    FIITJEE|Exercise ASSIGNMENT PROBLEMS ( OBJECTIVE) (LEVEL-II)|19 Videos
  • WORK, ENERGY AND POWER

    FIITJEE|Exercise ASSIGNMENT PROBLEMS ( SUBJECTIVE) (LEVEL-II & III)|15 Videos
  • TEST PAPERS

    FIITJEE|Exercise PHYSICS|747 Videos

Similar Questions

Explore conceptually related problems

A particle is projected from a point of an angle with the horizontal. At any instant t, if p is the linear momentum and E the kinetic energy, then which of the following graph is/are correct?

A particie of mass 10 kg is driven by a machine that delivers a constant power of 20 watts. If particle starts from rest and moves along a straight line, then force (in Newton) on particle at time t(t> 0) is

A motor drives a body along a straight line with a constant force. The power P developed by the motor muat vary with time t as

A block is resting over a smooth horizontal plane. A constant horizontal force starts acting on it at t = 0 . Which of the following graph is correct:

A particle is projected from a point at an angle with the horizontal at t=0 . At an instant t, if p is linear momentum, x is horizontal displacement, y is vertical displacement, and E is kinetic energy of the particle, then which of the following graphs are correct?

Acceleration versus time curve for a particle moving in a straight line is shown in the figure. If particle starts from rest at t=0 , then which of the following curve is correct for the same particle.

A car, starting from rest, has a constant acceleration for a time interval t_1 during which it covers a distance In the next time interval the car has a constant retardation and comes to rest after covering a distance in time Which of the following relations is correct?

A particle starts moving from rest the origin & moves along positive x- direction . Its rate of change of kinetic energy with time shown on y- axis veries with time t as shown in the graph. If position, velocity , acceleration & kinetic energy of the particle at any time t are x,v,a,& k respectively then which of the option (s) may be correct ?

FIITJEE-WORK, ENERGY AND POWER -ASSIGNMENT PROBLEMS ( OBJECTIVE) (LEVEL-I)
  1. A fixed wedge ABC is in the shape of an equilateral triangle of side l...

    Text Solution

    |

  2. One fourth chain is hanging down from a table work done to bring the h...

    Text Solution

    |

  3. A force shown in the F-x graph is applied to 5 kg cart, which then coa...

    Text Solution

    |

  4. A body of mass 100 g is rotating in a circular path of radius r with...

    Text Solution

    |

  5. What is the velocity of the bob of a simple pendulum at its mean posit...

    Text Solution

    |

  6. A car moving with a velocity of 10m/s can be stopped by the applicatio...

    Text Solution

    |

  7. A block of mass m = 0.1 kg is released from a height of 4 m on a curve...

    Text Solution

    |

  8. A mass M is lowered with the help of a string by a distance h at a con...

    Text Solution

    |

  9. A block of mass 2 kg is kept at origin at t = 0 and is having velocity...

    Text Solution

    |

  10. A wind - powered generator convets and energy into electrical energy ...

    Text Solution

    |

  11. A stone tied to a string of length l is whirled in a horizontal circle...

    Text Solution

    |

  12. A block of mass m is released from a height R on the frictionless inc...

    Text Solution

    |

  13. A vehicle is driven along a straight horizontal track by a motor which...

    Text Solution

    |

  14. A bullet loses 1/10 th or its velocity when it passes through a plank....

    Text Solution

    |

  15. A body of mass m accelerates uniformly from rest to v1 in time v2. As ...

    Text Solution

    |

  16. An engine pumps a liquid of density 'd' continuously through a pipe o...

    Text Solution

    |

  17. A particle of mass m is moving in a circular path of constant radius r...

    Text Solution

    |

  18. A man M(1) of mass 80 kg runs up a staircase in 15 s. Another man M(2)...

    Text Solution

    |

  19. A block of mass M is pulled along a horizontal surface by applying a f...

    Text Solution

    |

  20. A particle of mass m is released from the edge of a rough bowl of radi...

    Text Solution

    |