(Oceanography) The pressure, P, exerted on an underwater object can be determined by this formula:
P = ρ × g × h
ρ is the density of water, which is 1.94 slug/ft3.
g is the acceleration caused by Earth’s gravity, which is 32.2 ft/sec2.
h is the object’s depth in the water in feet.
a. Determine the units of P by calculating the units resulting from the right side of the formula. Check that your answer corresponds to the units for pressure listed in Table.
b. Determine the pressure on a submarine operating at a depth of 2500 feet.
Table:
| °C | °F | °K | °R |
Freezing point of water | 0 | 32 | 273.15 | 491.67 |
Boiling point of water | 100 | 212 | 373.15 | 671.67 |
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