Home
Class 12
PHYSICS
A plane is in level flight at a constant...

A plane is in level flight at a constant speed such that the speed of the air below the wings is `"144 km h"^(-1)` and above the wing is `"180 km h"^(-1)`. If each of its wings has an area of `"25 m"^(2)`, then the mass (in kg ) of the plane is `[rho_("air")="1 kg m"^(-3),g=10ms^(-2)]`

Text Solution

Verified by Experts

The correct Answer is:
2250
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 21

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • JEE MOCK TEST 24

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A plane is in level flight at constant speed and each of its two wings has an area of 25 m^(2) . If the speed of the air on the upper and lower surfaces of the wing are 270 km h^(-1) respectively, then the mass of the plane is (Take the density of the air =1 kg m^(-3) )

A plane is in level fight at constant speed and each of two wings has an area of 25m^(2) . If the speed of the air on the upper and lower surfaces of the wing are 270kmh^(-1) and 234 kmh^(-1) respectively, then the mass of the plane is (take the density of the air = 1kg m^(-3) )

A plane is in level flight at constant speed and each of its two wings has an area of 20m^(2). If the speed of rthe air is 180 km/h over the lower wing and 216 km/h over the upper wing surface, determine the plane's mass. (Take air density to be 1 kg m ^(-3) and g= 10m//s ^(2)).

A plane is in level flight at constant speed and each of its two wings has an area of 25 m^2 . If the speed of the air is 180 km / h over the lower wing and 234 km / h over the upper wing surface, determine the plane's mass. Take air density to be 1 kg m^-3 and g = 9.81 ms^-2 .

The velocity of the wind over the surface of the wing of an aeroplane is 80ms^(-1) and under the wing 60ms^(-1) . If the area of the wing is 4m^(2) , the dynamic lift experienced by the wing is [density of air =1.3kg.m^(-3) ]

A plane is in level flight at constant speed and each of its wings has an area of 25m^(2) . If the speed of the air is 180km//h over the upper wing surface, determine the plane's mass . (Take air density to be 1 kg//m^(3) ). g=9.8m//s^(2) .

Convert the following speeds into km h^(-1) . 2 m s^(-1)

The speed of the wind passing over the wings of a small aeroplane is 70 m/s and below the wing is 60 m/s. If the mass of the plane is 1000 kg and the area of wing is 14 m^(2), then what will be ther net vertical force on the aeroplane ? ? (Density of air =1.2 kg//m^(3) and g=10 m//s^(2))

NTA MOCK TESTS-JEE MOCK TEST 23-PHYSICS
  1. Consider a solid cube made up of insulating material having a uniform ...

    Text Solution

    |

  2. Figures shows an electric line of force which curves along a circular ...

    Text Solution

    |

  3. The main scale of a vernier callipers reads 10 mm in 10 divisions. Ten...

    Text Solution

    |

  4. An equilateral triangular loop ADC having some resistance is pulled wi...

    Text Solution

    |

  5. The kinetic energy of a particle executing SHM is 16J. When it is in i...

    Text Solution

    |

  6. The energy that should be added to an electron to reduce its de-Brogli...

    Text Solution

    |

  7. A U - tube having a horizontal arm of length 20 cm, has a uniform cros...

    Text Solution

    |

  8. In standard Young's double - slit experiment, visible light lambdain(3...

    Text Solution

    |

  9. solid sphere of radius r is gently placed on a rough horizontal ground...

    Text Solution

    |

  10. A piece of copper and another of germanium are cooled from room temper...

    Text Solution

    |

  11. Which among the following statements is correct regarding the dependen...

    Text Solution

    |

  12. If P, Q and R are physical quantities, having different dimensions, wh...

    Text Solution

    |

  13. Assuming that the human pupil has a radius of 0.25 cm and a comfortabl...

    Text Solution

    |

  14. The spring block system lies on a smooth horizontal surface. The free ...

    Text Solution

    |

  15. A particle is projected from point A, that is at a distance 4R form th...

    Text Solution

    |

  16. A hill is 500 m high. Supplies are to be across the hill using a cano...

    Text Solution

    |

  17. A ring - shaped tube contains two ideal gases with equal masses and re...

    Text Solution

    |

  18. A current - carrying uniform square frame is suspended from hinged sup...

    Text Solution

    |

  19. A plane is in level flight at a constant speed such that the speed of ...

    Text Solution

    |

  20. An thin rod of negligible mass and area of cross - section 4xx10^(-6)m...

    Text Solution

    |