SITUATION 1.1 The deepest point in the ocean is 11,034 meters in the Mariana Trench in the Pacific. At this depth unit weight of sea water 10,105 Newtons per cubic meter. Estimate the absolute pressure at this depth. a) What is its density of the sea water? (in kilograms per cubic meter) (20%) b) What is its absolute pressure at the bottom, if the atmospheric pressure = 101,350 Pascals? (in Newtons per cubic meter) (20%) c) What is its absolute pressure, in atm?
SITUATION 1.1 The deepest point in the ocean is 11,034 meters in the Mariana Trench in the Pacific. At this depth unit weight of sea water 10,105 Newtons per cubic meter. Estimate the absolute pressure at this depth. a) What is its density of the sea water? (in kilograms per cubic meter) (20%) b) What is its absolute pressure at the bottom, if the atmospheric pressure = 101,350 Pascals? (in Newtons per cubic meter) (20%) c) What is its absolute pressure, in atm?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:SITUATION 1.1 The deepest point in the ocean is 11,034 meters in the
Mariana Trench in the Pacific. At this depth unit weight of sea water 10,105
Newtons per cubic meter. Estimate the absolute pressure at this depth.
a) What is its density of the sea water? (in kilograms per cubic meter) (20%)
b) What is its absolute pressure at the bottom, if the atmospheric pressure =
101,350 Pascals? (in Newtons per cubic meter) (20%)
c) What is its absolute pressure, in atm?
d) What is the specific gravity of the sea water? (20%)
SITUATION 1.2 (20%) In Figure 1.2, get the specific gravity of
the following common substances.
Densities of Some Common Substances at Standard
Temperature (0°C) and Pressure (Atmospheric)
Substance
Substance
Air
Aluminum
Benzenc
Copper
Ethyl alcohol.
Fresh water
Glycerin
Gold
Helium gas
Hydrogen gas
p(kg/m³)
1.29
2.70 X 10"
0.879 X 10⁹
8.92 X 10
0.806 x 10³
1.00 x 10⁹
1.26 X 10³
19.3 X 10"
1.79 X 10 1
8.99 X 10 2
Icc
Iron
Lead
Mercury
Oak
Oxygen gas
Pine
Platinum
Scawater
Silver
p(kg/m³)
0.917 X 10"
7.86 X 10
11.3 X 108
13.6 X 10
0.710 X 108
1.43
0.375 X 10
21.1 X 10%
1.03 X 10%
10.5 X 10%
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