In a test experiment on a model aeroplan...

In a test experiment on a model aeroplane in a wind tunnel, the flow speeds on the upper and lower surfaces of the wing are 70 m.`s^-1 and 63 m. s^-1` respectively. What is the lift on the wing if its area is 2.5 `m^2` ? Take the density of air to be `1.3 kg. m^-3`.

Text Solution

Verified by Experts

`1.5xx10^3 N`

Topper's Solved these Questions

VISCOSITY AND SURFACE TENSION
CHHAYA PUBLICATION|Exercise EXERCISE (HOTS NUMERICAL PROBLEMS)|1 Videos
VISCOSITY AND SURFACE TENSION
CHHAYA PUBLICATION|Exercise EXERCISE (ENTRANCE CORNER Assertion-reason type)|10 Videos
VISCOSITY AND SURFACE TENSION
CHHAYA PUBLICATION|Exercise EXERCISE (PROBLEM SET-I)|13 Videos
VECTOR
CHHAYA PUBLICATION|Exercise CBSE SCANNER|19 Videos
WBCHSE QUESTION PAPER -2019
CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

What is the force which produces an acceleration of 1 m//s^(2) in a body of mass 1 kg ?

A water pump raises water at a rate of 0.50 m^3// min from a depth of 30 m . If the pump is 70% efficient . What power is developed by the engine . g=9.8 m*s^(-2) and density of water = 10^3 kg *m^(-3) .

Two blocks m_1 and m_2 of masses 2kg and 5kg, respectively, are moving on a smooth plane along a straight line in the same direction, with velocities 10 m*s^(-1) and 3 m*s^(-1) respectively. The block m_2 is situated ahead of the block m_1 . An ideal spring (k=1120 N*m^(-1) ) is attached to the back of the block m_2 . Find the compression of the spring when m_1 collides with m_2 .

Four particles have speed 2,3,4 and 5 cm/s respectively. Their R.M.S speed is

The velocities of two particles moving towards east to 4m.s^-1 and 6m.s^-1 , respectively The velocities of three other particles moving towards west are 2m.s^-1,3m.s^-1 and 5 m.s^-1 respectively. The root mean square speed of these 5 particles is

Refractive indices of glass with respect to water and air are 1.13 and 1.51 respectively. If velocity of light in air is 3 xx 10^(8) "m".s^(-1) what will be its velocity in water ?

CHHAYA PUBLICATION-VISCOSITY AND SURFACE TENSION-EXERCISE (PROBLEM SET-II)

A plate of area 30 cm^2 remains separated from another large plate by ...
Text Solution
|
A spherical ball of steel of radius 2 mm is falling down through glyce...
Text Solution
|
Two drops of water of the same size fall through air with a uniform ve...
Text Solution
|
An air bubble of radius 0.4 is rising upwards through a liquid with a ...
Text Solution
|
A large tank is filled with water up to a height h. Water emerges thro...
Text Solution
|
In Millikan's oil drop experiment what is the terminal speed of an unc...
Text Solution
|
In a test experiment on a model aeroplane in a wind tunnel, the flow s...
Text Solution
|
The cylindrical tube of a spray pump has a cross section of 8.0 cm^2 ...
Text Solution
|
A mercury drop of diameter 1xx10^-2 m breaks into 8 mercury droplets o...
Text Solution
|
At the same temperature a drop of water of diameter 1 mm is broken int...
Text Solution
|
Two drops of mercury, each having a radius R, coalesce to from a large...
Text Solution
|
The dimensions of a soap film is 10 cmxx 6 cm. If it is increased to 1...
Text Solution
|
216 water droplets (radius of each is r) coalesce to form a large drop...
Text Solution
|
How much will a liquid level be depressed inside a capillary tub of ra...
Text Solution
|
When a capillary tube is dipped in water, water rises up to a height o...
Text Solution
|
A U-tube is made up of two capillary tubes of bores 1 mm and 2 mm. The...
Text Solution
|
In a capillary tube water rises up to a certain height and the upward ...
Text Solution
|
What is the pressure inside a drop of mercury of radius 3.00 mm at roo...
Text Solution
|
What is the excess pressure inside a bubble of soap solution of radius...
Text Solution
|