What is the pressure on a swimmer 20m below the surface of water at sea level is?

Explanation: Here h = 20 m. ρ = density of water = 1000 kg/m3. atmospheric pressure = Pa = 1.01 × 105 Pa.

What is the pressure on a swimmer 20m below the surface?

Hence the pressure on the swimmer is 2 atm. ∴ The pressure on a swimmer 10 m below the surface lake is 2 atm, thus, option (D) is correct.

What is the pressure on a swimmer 10m below the surface of a lake atmospheric pressure is 1.01 105Pa?

g=10ms-2, atmospheric pressure = 1.01×105Pa. 2.01×105Pa≈2atm .

What is the absolute pressure at a depth of 10m in a lake?

Total Pressure at the depth of 10 m. = Atmospheric Pressure + Pressure calculated. = 198 × 10³ Pa. Hence, the Pressure at the depth of 10 m is 198 kPa.

What is the pressure at the surface of water?

If you are at sea level, each square inch of your surface is subjected to a force of 14.6 pounds. The pressure increases about one atmosphere for every 10 meters of water depth. At a depth of 5,000 meters the pressure will be approximately 500 atmospheres or 500 times greater than the pressure at sea level.

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What is meant by gauge pressure?

Gauge pressure is the pressure measured relative to the ambient atmospheric pressure. Gauge pressure can be measured using a diaphragm sensor, where one side of the diaphragm is exposed to the pressure media that is to be measured, while the other side is exposed to the ambient atmospheric pressure.

Where is the pressure greater 10m or 20m below the surface of the sea give reason?

Answer. Pressure is greater at 20m. The deeper you go higher the pressure will be. PRESSURE DECREASES WITH ALTITUDE AND INCREASES WITH DEPTH.

What is the value of absolute pressure in ATM at a depth of 1000 in the ocean?

Thus the absolute pressure at a depth of 1000 m in the ocean is P=104atm .

How do you calculate water pressure at depth?

We begin by solving the equation P = hρg for depth h: h=Pρg h = P ρ g . Then we take P to be 1.00 atm and ρ to be the density of the water that creates the pressure.

Which type of liquids pressure are measured using a manometer?

Liquid manometers measure differential pressure by balancing the weight of a liquid between two pressures. Light liquids such as water can measure small pressure differences; mercury or other heavy liquids are used for large pressure differences.

How much pressure can a human take underwater?

Human beings can withstand 3 to 4 atmospheres of pressure, or 43.5 to 58 psi. Water weighs 64 pounds per cubic foot, or one atmosphere per 33 feet of depth, and presses in from all sides. The ocean’s pressure can indeed crush you.

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Does water pressure increase with height?

Water pressure decreases with height.

Does pressure increase with height?

As altitude rises, air pressure drops. In other words, if the indicated altitude is high, the air pressure is low. This happens for two reasons. … As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.

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