Home
Class 12
PHYSICS
A body of mass m, accelerates uniformly ...

A body of mass `m`, accelerates uniformly from rest to `V_(1)` in time `t_(1)`. The instantaneous power delivered to the body as a function of time `t` is.

A

`(mv_(1)^(2))/(T_(1)^(2))t`

B

`(mv_(1))/(T_(1)^(2))t`

C

`((mv_(1))/(T_(1)))^(2)t`

D

`(mv_(1)^(2))/(T_(1))t^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - B)|35 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - C)|80 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|37 Videos

  • WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A body of mass m is acceleratad uniformaly from rest to a speed v in a time T . The instanseous power delivered to the body as a function of time is given by

A body of mass m accelerates uniformly from rest to v_1 in time t_1 . As a function of time t, the instantaneous power delivered to the body is

A body starts from rest and acquires velocity V in time T . The instantaneous power delivered to the body in time 't' proportional to

An 8 kg block accelerates uniformly from rest to a velocity of 4 m s^(-1) in 40 second. The instantaneous power at the end of 8 second is P xx 10^(-2) watt. Find the value of P.

An automobile of mass m accelerates from rest. If the engine supplies a constant power P, the velocity at time t is given by -

The position (x) of body moving along x-axis at time (t) is given by x=3f^(2) where x is in matre and t is in second. If mass of body is 2 kg, then find the instantaneous power delivered to body by force acting on it at t=4 s.

A particle of mass 200gm is moving in a circular path of radius 10cm, such that its tangential acceleration varies with time as a_(t) = 6t ( m//s^(2)) . The average power delivered to the particle by force acting on it in the first 10sec is 100K watt. The particle starts from rest. Find K.

Work done in time t on a body of mass m which is accelerated from rest to a speed v in time t_(1) as a function of time t is given by

A body is thrown with a velocity v_0 at an angle theta_0 with horizontal. Find the (a) instantaneous power delivered by gravity after a time t measured from the instant of projection and (b) average power delivered by gravity during the time t.

A body moves under the action of a constant force along a straight line. The instantaneous power developed by this force with time t is correctly represented by.

AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - A)
  1. A body is projected from ground obliquely. During downward motion, pow...

    Text Solution

    |

  2. The blades of a windmill sweep out a circle of area A. If the wind flo...

    Text Solution

    |

  3. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

    Text Solution

    |

  4. The power of a pump, which can pump 500 kg of water to height 100 m in...

    Text Solution

    |

  5. A pump is used to pump a liquid of density rho continuously through a ...

    Text Solution

    |

  6. A car of mass m has an engine which can deliver power P. The minimum t...

    Text Solution

    |

  7. Water from a stream is falling on the blades of a turbine at the rate ...

    Text Solution

    |

  8. On a particle placed at origin a variable force F=-ax(where a is a pos...

    Text Solution

    |

  9. The variation of potential energy U of a system is shown in figure. Th...

    Text Solution

    |

  10. The variation of potential energy U of a body moving along x - axis va...

    Text Solution

    |

  11. A particle of mass 200 g is moving in a circle of radius 2 m. The part...

    Text Solution

    |

  12. A particle of mass 200 g , is whirled into a vertical circle of radius...

    Text Solution

    |

  13. A stone of mass 1kg is tied with a string and it is whirled in a verti...

    Text Solution

    |

  14. An object of mass 80 kg moving with velocity 2ms^(-1) hit by collides ...

    Text Solution

    |

  15. A ball of mass m moving with velocity v collides head-on which the sec...

    Text Solution

    |

  16. Particle A makes a perfectly elastic collision with anther particle B ...

    Text Solution

    |

  17. A shell of mass m moving with a velocity breakes up suddenly into two ...

    Text Solution

    |

  18. A particle of mass m moving towards west with speed v collides with an...

    Text Solution

    |

  19. A body of mass 10 kg moving with speed of 3 ms ^(-1) collides with ano...

    Text Solution

    |

  20. A stationary particle explodes into two particles of masses x and y, w...

    Text Solution

    |