Home
Class 11
PHYSICS
A man cycles up a hill whoes slope is 1 ...

A man cycles up a hill whoes slope is 1 m in 25 at the rate of 10 km/hr.the weight of the man and the cycle is 100 kg.Find the power at which he is working.

Text Solution

Verified by Experts

109 watt
Promotional Banner

Topper's Solved these Questions

  • WORK,ENERGY AND POWER

    BINA LIBRARY|Exercise EXERCISE|83 Videos

  • WAVES

    BINA LIBRARY|Exercise EXERCISE|97 Videos

Similar Questions

Explore conceptually related problems

An automobil,e weighing 2000kg climbs up a hill that rises 1m in 20m of its lenth at the rate of 36 km/hr.Find the power developed by the engine.

A train 100 m long is moving with the velocity of 72 km/hr. Find the time it takes to cross the bridge which is 2 km long?

A train 100 m long is moving with a velocity of 60 km/hr. Find the time it takes to cross the bridge 1km long.

An engine of weight one metric ton is going up an inclined plane ,making an angle 30°with the horizental at the rate of 36 Km h^-1 .If the co-efficient of frinction is 0.6.calculate the power of engine in KW

A man holds a 10 kg box 2m above the ground.What is the work done?

Work Problem related to speed, distance and time A men walks a certain distance at a certain rate. Had he walked 1/2 km per hour faster, he would taken one hour less. But if he had gone one km/hour slower, he would have taken three hours longer. Find the distance covered by the mann and his original rate of walking.

Two towns A and B are connected by a regular bus service with a bus leaving in either direction every T minutes. A man cycling with a speed of 20 km h~1 in the direction A to B notices that a bus goes past him every 18 min in the direction of his motion, and every 6 min in the opposite direction. What is the period T of the bus service and with what speed - (assumed constant) do the buses ply on the road?

What is the apparent weight of a man of mass 60 kg who is standing on a lift which is moving up with a uniform speed?

A man standing on the deck of a ship which is 10 m above the water level, observes the angle of elevation of the top of a hill as 60° and angle of depression of the base of a hill as 30°. Calculate the distance of the hill from the ship and the height of the hill.

Figure 5.18 shows a man standing stationary with respect to a horizontal conveyor belt that is accelerating with 1 m s^2 . What is the net force on the man? If the coefficient of static friction between the man’s shoes and the belt is 0.2, up to what acceleration of the belt can the man continue to be stationary relative to the belt? (Mass of the man = 65 kg.)

BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. A ballon filled with hydrogen rises upward gaining both kinetic and po...

    Text Solution

    |

  2. A man of mass 60 kg walks up to the top of a building of height 15 m....

    Text Solution

    |

  3. A man cycles up a hill whoes slope is 1 m in 25 at the rate of 10 km/h...

    Text Solution

    |

  4. A bullet of mass 12 g strikes a soild surface at a speed of 400m/s. It...

    Text Solution

    |

  5. A body of mass 1kg falls from the top of a cliff 50 m high and buries...

    Text Solution

    |

  6. A force of 1000 dynes acts on a particle of mass 500 g for 10seconds....

    Text Solution

    |

  7. Calculate the power of a motor in kilo-watt ,which is capable of risin...

    Text Solution

    |

  8. A pump lifts 20 kg of water in one minute to a vertical height of 30m....

    Text Solution

    |

  9. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

    Text Solution

    |

  10. A 200 g ball falls from rest through air. If its speed is 10 m/s after...

    Text Solution

    |

  11. A bullet of mass 100 g strikes a wooden plank with a velocity of 300ms...

    Text Solution

    |

  12. A force of 100 dynes acts on a particle of mass 0.5 kg for 10 sec. Cal...

    Text Solution

    |

  13. An engine lifts 200kg of metal to a vertical height of 30 m in one min...

    Text Solution

    |

  14. A car of weight 1000 kg moves with a uniform speed of 36Km/hr up an ...

    Text Solution

    |

  15. An engine of weight one metric ton is going up an inclined plane ,mak...

    Text Solution

    |

  16. A ball of mass 1.2 kg moving with velocity 20cm/s collides with anoth...

    Text Solution

    |

  17. A block of mass 2kg moving with certain velocity collides with a block...

    Text Solution

    |

  18. A block of mass 2 kg moving at 2.0m/s collides with another block of e...

    Text Solution

    |

  19. A block of 1.2 kg moving at 20 cm/s collides head-on with a simmilar b...

    Text Solution

    |

  20. A position dependent force F=(7-2x+3x^2)N acts on a small body of mass...

    Text Solution

    |