Advertisements
Advertisements
प्रश्न
Find the pressure 200m below the surface of the ocean if pressure on the free surface of liquid is one atmosphere. (Density of seawater = 1060 kg/m3)
Advertisements
उत्तर
Given:
h = 200m,
ρ = 1060 kg/m³,
P0 = 1.013 × 105
Pa, g = 9.8 m/s²
To find:
Presssure 200m below the surface
Solution:
Absolute pressure, P = P0 + hρg
= (1.013 x 105) + (200 x 1060) x (9.8)
= (1.013 × 105) + (20.776 × 105)
= 21.789 × 105
= 2.1789 MPa
APPEARS IN
संबंधित प्रश्न
Explain why The blood pressure in humans is greater at the feet than at the brain
In problem 10.9, if 15.0 cm of water and spirit each are further poured into the respective arms of the tube, what is the difference in the levels of mercury in the two arms? (Specific gravity of mercury = 13.6)
A plane is in level flight at a constant speed and each of its two wings has an area of 25 m2. 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).
A large He balloon of volume 1425 m3 is used to lift a payload of 400 kg. Assume that the balloon maintains constant radius as it rises. How high does it rise? [Take y0= 8000 m and `rho_"He"`= 0.18 kg m–3].
For a given thrust, pressure is more on a surface of large j area.
1 kgf = .............. (nearly).
The unit of thrust is
The unit of pressure is
The feet of lizards act like
Why do camels or elephants have broad feet?
A gum bottle rests on its base. If it is placed upside down, how does the pressure change?
A boy weighing 60 kgf stands on platform of dimensions 2.5 cm x 0.5 cm. What pressure in pascal does he exert?
The figure shows a brick of weight 2 kgf and dimensions 20 cm × 10 cm × 5 cm placed in three different positions on the ground. Find the pressure exerted by the brick in each case.
The pressure in a liquid at two points in the same horizontal plane are equal. Consider an elevator accelerating upward and a car accelerating on a horizontal road. The above statement is correct in
Consider the situation of the previous problem. Let the water push the left wall by a force F1 and the right wall by a force F2.
An air bubble of radius 0.2 mm is situated just below the water surface. Calculate the gauge pressure. Surface tension of water = 7.2 × 10−2 N/m.
Consider the statement given below and choose the correct option.
Assertion: Broad straps are used in bags.
Reason: Broad straps last for long.
A water tank has four taps fixed at points A, B, C, D as shown in the following figure. The water will flow out at the same pressure from taps at
Fluids in general are ______.
It is easy to compress a gas whereas liquids are ______.
The shape and size of the solids do not easily change.
Upthrust = weight of the fluid displaced – apparent weight of the object.
What is the SI unit of pressure?
Assertion (A): A sleeping mattress is so designed that when you lie on it, a large area of your body comes in its contact.
Reason (R): This reduces the pressure on the body and sleeping becomes comfortable.
Define thrust.
Iceberg floats in water with part of it submerged. What is the fraction of the volume of iceberg submerged if the density of ice is ρi = 0.917 g cm–3?
