Home
Class 11
PHYSICS
A body of mass m accelerates uniformly f...

A body of mass m accelerates uniformly from rest to `v_1` in time `v_2`. As a function of time t, the instantaneous power delivered to the body is

A

`(mv_1t)/t_1`

B

`(mv_1^2t)/t_1`

C

`(mv_1t^2)/t_1`

D

`(mv_1^2 t)/(t_1^2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos
  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos
  • PHYSICAL WORLD

    NCERT FINGERTIPS|Exercise Assertion And Reason|10 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTIONS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A body of mass m accelerates uniformly from rest to velocity v_(0) in time t_(0) . What is the instantaneous power delivered to the body when its velocity is (v_(0))/(2) ?

A body of mass m accelerates uniformly from rest to velocity v_(0) in time t_(0) , find the instantaneous power delivered to body when velocity is (v_(0))/(2) .

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 body of mass 1 kg is acclerated uniformly from rest to a speed of 5 m/s in 4 sec. What is the instantaneous power delivered to the body at time t? (Assume t lt 4 sec.)

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 uniform from rest to v_(1) in time t_(1) . The instanencoes power delivered to the body as a finction of t is

NCERT FINGERTIPS-PRACTICE PAPERS-Practice Paper 2
  1. A uniform wire of length 20 m and weighing 5 kg hangs vertically. If ...

    Text Solution

    |

  2. The velocity of a body moving in a vertical circle of radius r is sqrt...

    Text Solution

    |

  3. Figure shows position and velocities of two particles moving under mut...

    Text Solution

    |

  4. How large must F be in the figure shown to give the 700 g block an acc...

    Text Solution

    |

  5. The radii of the two columne is U-tube are r(1) and r(2)(gtr(1)). When...

    Text Solution

    |

  6. The angle subtended by vector vecA = 4 hati + 3hatj + 12hatk with t...

    Text Solution

    |

  7. A solid cylinder rolls without slipping down a 30^@ slope. The minimum...

    Text Solution

    |

  8. The equation of state for 5 g of oxygen at a pressure P and temperatur...

    Text Solution

    |

  9. A weightless spring of length 60 cm and force constant 100 N m^(-1) is...

    Text Solution

    |

  10. A particle is executing simple harmonic motion of amplitude 5 cm and p...

    Text Solution

    |

  11. The P-V diagram of a gas undergoing a cyclic process ABCDA is shown in...

    Text Solution

    |

  12. Three stars A, B, C have surface temperatures T(A), T(B) and T(C). A a...

    Text Solution

    |

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

    Text Solution

    |

  14. A solid sphere of uniform density and radius R applies a gravitational...

    Text Solution

    |

  15. A metal wire of length L1 and area of cross section A is ttached to a ...

    Text Solution

    |

  16. The average degrees of freedom per molecule for a gas are 6. The gas p...

    Text Solution

    |

  17. A thin circular ring of mass M and radius r is rotating about its axis...

    Text Solution

    |

  18. A bus is moving with a speed of 10 ms^-1 on a straight road. A scooter...

    Text Solution

    |

  19. A particle A is projected verically upwards. Another indentical partic...

    Text Solution

    |

  20. A car is initially at rest, 330 m away from a stationary observer. It ...

    Text Solution

    |