Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 18, Problem 8PEA
To determine
The speed of longshore current.
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A submarine dives down to a depth 80 metres beneath the surface of the ocean.
Calculate the pressure in atmospheres at that depth, assuming the density of water
is 1029 kg/m3, and the air pressure at the surface is 105.2 kPa. Give your answer
with two digits of precision.
Note: 1 standard atmosphere is 101325 Pa.
Your Answer:
Answer
"A standard 1 kilogram weight is a cylinder 48.5 mm in height and 44.5 mm in diameter. What is the density of the material in kg/m^3 ?"I keep trying this problem and it's just a practice problem and the program is telling me the answer is 13300 kg/m^3, but I'd like to see it worked out in full so I can figure it out for myself. My answers are similar so I think I might just be making rounding errors.
The density of the atmosphere varies drastically with height, but you can use an average
density from sea floor to the space in order to calculate its height. If we approximate this
average density to be = 1 Kg/m³, what would be height of the atmosphere?
HINT: Since the atmosphere is a fluid (in gas form), you can use the hydrostatic pressure
formula (P
pgh), just solve for h and use P = 1 atm.
BTW, this is how the edge of space is defined, if you make it pass the height of the
atmosphere you have reached space :)
Chapter 18 Solutions
Integrated Science
Ch. 18.1 - Prob. 1SCCh. 18.1 - Prob. 2SCCh. 18.1 - Prob. 3SCCh. 18.2 - Prob. 4SCCh. 18.2 - Prob. 5SCCh. 18.2 - Prob. 6SCCh. 18.2 - Prob. 7SCCh. 18.2 - Prob. 8SCCh. 18.2 - Prob. 9SCCh. 18.2 - Prob. 10SC
Ch. 18.2 - Prob. 11SCCh. 18 - Describe in general all the things that happen to...Ch. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Compare the advantages and disadvantages of using...Ch. 18 - Prepare arguments for (a) agriculture, (b)...Ch. 18 - Prob. 6CQCh. 18 - Prob. 7CQCh. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - Prob. 10CQCh. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 13CQCh. 18 - Prob. 14CQCh. 18 - Prob. 15CQCh. 18 - Considering the distribution of all the water on...Ch. 18 - Prob. 17CQCh. 18 - Some people believe that constructing a reservoir...Ch. 18 - Prob. 19CQCh. 18 - Prob. 20CQCh. 18 - Prob. 21CQCh. 18 - Prob. 1PEACh. 18 - Prob. 2PEACh. 18 - Prob. 3PEACh. 18 - Prob. 4PEACh. 18 - Prob. 5PEACh. 18 - Prob. 6PEACh. 18 - Prob. 7PEACh. 18 - Prob. 8PEACh. 18 - Prob. 1PEBCh. 18 - Prob. 2PEBCh. 18 - Prob. 3PEBCh. 18 - Prob. 4PEBCh. 18 - Prob. 5PEBCh. 18 - Prob. 6PEBCh. 18 - Prob. 7PEBCh. 18 - Prob. 8PEB
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- a. The mean pressure of the surface of the Earth is 984 mbar, slightly less than the mean pressure at sea level, 1013 mbar. Use the barometric law (2.81) to calculate the mean altitude of the surface above sea level.b. Calculate the total mass of the atmosphere by considering that Force = Pressure * Area. The downward force of the atmosphere, by Newton’s Law, is the mass of the atmosphere times the acceleration of gravity. The mean pressure can be found above, and the area is the surface area of the earth. Use the average molecular weight of the atmosphere to calculate the number of moles of gas in the atmosphere.c. Use the number of moles of gas in the atmosphere and the mole fraction of N2O (Table 3.19) to calculate the number of moles and mass of N2O in the atmosphere.arrow_forwardA seismic survey is conducted in a region with two layers. The top layer is shale, with density 2500 kg/m3, and seismic velocity of 2900m/s, and the bottom layer is sandstone, with a density of 2100 kg/m3, and a seismic velocity of 3000m/s. The reflection coefficient will bea. Positiveb. Negativec. Zerod. Not enough informationarrow_forward6 The density of gold is 19.32 g/cm^3. What is this value in kilograms per cubic meter? * (3 Points) 19.32 kg/m^3 1.932 kg/m^3 19 320 kg/m^3 O 0.01932 kg/m^3arrow_forward
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