# Physics

posted by .

If you dive to 50 m below the surface of a lake,

a) what is the pressure due to the water alone?

b)What is the total or absolute pressure at that depth?

• Physics -

a) (water density)*g*(depth)
b) [(water density)*g*(depth)] + atmospheric pressure
(1 atm more than part (a) )

## Similar Questions

1. ### Physics

At what depth beneath the surface of a lake is the absolute pressure 2 times the atmospheric pressure of 1.01 105 Pa that acts on the lake's surface?
2. ### physics

please help me by showing steps thanks Assuming atmospheric pressure to be 1.01 * 10^5 Pa and the density of sea water to be 1025 kg/m^3, what is the absolute pressure at a depth of 15.0m below the surface of the ocean?
3. ### Physics

(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water …
4. ### Intro to Physics

(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water …
5. ### physics

If you dive to a depth of 10m below the surface of a lake, Part A what is the pressure due to the water alone?
6. ### science

Air pressure at the surface of a fresh water lake near sea level is about 10^5 N/m2. At approximately what depth below the surface does a diver experience a pressure of 3.0 e5 N/m2?
7. ### Physics

Assuming atmospheric pressure to be 1.01 x 10^5 Pa and the density of sea water to be 1025 kg/m^3, what is the absolute pressure at a depth of 15.0m below the surface of the ocean?
8. ### Physics

for every 10 m you descend below the surface of water, the pressure on you will increase by an amount equal to atmospheric pressure 101kpa. an air bubble in a lake has a volume of 20 mm^3 at a depth of 40m. predict what volume it will …
9. ### Physics

the pressure at a point below a point below the surface of the sea is caused by both the height of the water above that and the air pressure on the surface of the sea. if the diver reaches a depth of 20m below the surface on the surface …
10. ### Physics

The liquid in the open tube manometer is mercury, y1=3cm and y2 = 7cm. Atmospheric pressure is 980mbrs. (A) what is the absolute pressure at the bottom of the U-shape tube?

More Similar Questions