English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Fluid pressure??? I need to solve this problem:
The scuba diver went 15 m deep. what is the fluid pressure?

2006-11-03 09:20:29 · 5 answers · asked by Anonymous in Science & Mathematics Physics

5 answers

Fluid Pressure= weight density x (times) depth

Fl. p.= 10,000 kg/m^3(thats the weight density of water) x 15 m

Fl. p.= 150,000 m^2 (because one m cancels)
Hope this helps!

2006-11-03 09:24:00 · answer #1 · answered by BrbE 3 · 0 0

The formula that gives the P pressure on an object submerged in a fluid is: P = r * g * h

where

r (rho) is the density of the fluid,
g is the acceleration of gravity
h is the height of the fluid above the object

If the container is open to the atmosphere above, the added pressure must be included if one is to find the total pressure on an object. The total pressure is the same as absolute pressure on pressure gauges readings, while the gauge pressure is the same as the fluid pressure alone, not including atmospheric pressure.



Ptotal = Patmosphere + Pfluid

Ptotal = Patmosphere + ( r * g * h )

A Pascal is the unit of pressure in the metric system. It represents 1 newton/m2

Example:
Find the pressure on a scuba diver when she is 12 meters below the surface of the ocean. Assume standard atmospheric conditions.

Solution:
The density of sea water is 1.03 X 10 3 kg/m3 and the atmospheric pressure is 1.01 x 105 N/m2.
Pfluid = r g h = (1.03 x10 3 kg/m3) (9.8 m/s2) (12 m) = 1.21 x 105 Newtons/m2

Ptotal = Patmosphere + Pfluid = (1.01 x 105) + (1.21 x 105 ) Pa = 2.22 x 10 2 kPa (kilo Pascals)

2006-11-03 17:37:20 · answer #2 · answered by stuckondaeastcoast 3 · 0 0

The equation is the Bernoulli equation.
For your case in simplified form it will be P = Density * g * Depth.

Put the numbers in.

Best?

2006-11-03 17:26:48 · answer #3 · answered by Dr. J. 6 · 0 0

p=mgh

p=pressure
m=mass
g=acc. due to gravity
h=height of fluid column

2006-11-04 02:43:12 · answer #4 · answered by Amandeep 1 · 0 0

P = k* g * l

k-density
l-depth

2006-11-03 17:32:57 · answer #5 · answered by Vladimir S 2 · 0 0

fedest.com, questions and answers