Home
Class 12
PHYSICS
A bus of mass 1000 kg has an engine whic...

A bus of mass 1000 kg has an engine which produces a constant power of 50 kW. If the resistance to motion, assumed constant is 1000 N. The maximum speed at which the bus can travel on level road and the acceleration when it is travelling at 25 m/s, will respectively be -

A

`50 m//s,1.0m//s^(2)`

B

`1.0 m//s,50 m/s^(2)`

C

`5.0 m//s,10m//s^(2)`

D

`10 m//s,5m//s^(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A car of mass mhasan engine which can deliver constant power P.the maximum speed that the car can attain in t seconds in

A car of mass one metric ton travels along a horizontal straight road with its engine working at a constant rate of 20kW. The resistance to motion of the card is 600N. Find the acceleration of the car at an instant, when its speed is 25 m//s

An engine is working at a constant power draws a load of mass m against a resistance r. Find maximum speed of load and time taken to attain half this speed.

A monkey of mass 30 kg climbs a rope which can withstand a maximum tension of 360 N. The maximum acceleration which this rope can tolerate for the climbing of monkey is: (g=10m//s^(2))

A car of mass 1000 kg moves on a circular path with constant speed of 16 m/s. It is turned by 90º after travelling 628 m on the road. The centripetal force acting on the car is-

A lorry of mass 2000 kg is traveling up a hill of certain height at a constant speed of 10 m/s. The frictional resistance is 200 N, then the power expended by the coolie is : (g=10 m//s^(2))

A car of mass m has an engine which can deliver power P. The minimum time in which car can be accelerated from rest to a speed v is :-

DISHA-WORK, ENERGY AND POWER-physics
  1. A boy pulls a 5 kg block 20 metres along a horizontal sur- face at a c...

    Text Solution

    |

  2. A uniform chain is held on a frictionless table with one third of its ...

    Text Solution

    |

  3. A bus of mass 1000 kg has an engine which produces a constant power of...

    Text Solution

    |

  4. The power output of a92U^(235) reactor if it takes 30 days to use up 2...

    Text Solution

    |

  5. The stopping distance for a vehicle of mass M moving with a speed v al...

    Text Solution

    |

  6. The earth circles the sun once a year. How much work would have to be ...

    Text Solution

    |

  7. A particle of mass m is moving in a horizontal circle of radius r, und...

    Text Solution

    |

  8. The work done by a person in carrying a box of mass 10 kg through a ve...

    Text Solution

    |

  9. A uniform rod of length 4 m and mass 20 kg is lying horizontal on the ...

    Text Solution

    |

  10. If g is the acceleration due to gravity on the earth’s surface, the ga...

    Text Solution

    |

  11. The potential energy between two atoms in a molecule is given by, U((x...

    Text Solution

    |

  12. A man pushes a wall and fails to displace it.He does

    Text Solution

    |

  13. Choose the correct options – (1) )The work done by forces may be eq...

    Text Solution

    |

  14. The system is released from rest with both the springs in unstretched ...

    Text Solution

    |

  15. The system is released from rest with both the springs in unstretched ...

    Text Solution

    |

  16. In the figure shown, the system is released from rest with both the sp...

    Text Solution

    |

  17. As shown in the figure, a uniform sphere is rolling on a horizontal su...

    Text Solution

    |

  18. Statement - 1 : Sum of work done by the Newton’s 3rd law pair internal...

    Text Solution

    |

  19. Statement - 1: A particle moves along a straight line with constant ve...

    Text Solution

    |

  20. A rifle man, who together with his rifle has a mass of 100 kg, stands ...

    Text Solution

    |