A trench in the Pacific Ocean is 46m deep. Assuming that sea water has an average density of 1040kg/m³, calculate the absolute (total) pressure at the bottom of the trench in atmospheres.
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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: AnswerGiven a barometric pressure of 762.4 mmHg, calculate the pres- sure of each gas sample as indicated by the manometer. Atmospheric Atmospheric pressure pressure cm cm h Mercury Mercury (a) (b)Atmospheric pressure. Atmospheric pressure P at altitude a is given by P = Poe¬0.00005a where Po is the pressure at sea level. Assume that Po = 14.7 lb/in´ (pounds per square inch). a) Find the pressure at an altitude of 1000 ft. b) Find the pressure at an altitude of 20,000 ft. c) At what altitude is the pressure 14.7 lb/in? d) Find the rate of change of the pressure, and interpret its meaning.
- The atmospheric pressure at the sea level is 500,000 N /m ^2 please estimate the total mass (in the unit Kg) of the earths atmospheric above the sea level of an area of 1m^2? Write answer as a whole numberThe 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 :)Sg1= 0.86, Sg2 = 1.0, h2 = 21 cm, h1 = 43 cm. Determine the PA gauge pressure in cmHg (centimeters of mercury). If the barometer reading is 750 mmHg what is the absolute pressure BP in mca?)
- Calculate the absolute pressure at an ocean depth of 1.4 km. Assume that the density of Water Pwater is 1.025 × 10³ kg/m³ and the atmospheric pressure, Patmosphere = 1.01 × 10$ Pa. (Use: acceleration due to gravity, g=9.8 m/s?) Select one: a. 1.42 x 107 Pa b. 1.15 x 10s Pa Oc102 × 106 PaAn airplane passenger has 99.7 cm³ of air in his stomach just before the plane takes off from a sea-level airport. What volume will the air have in cm at cruising altitude if cabin pressure drops to 7.89 x 10 N/m²? Type your answer...The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that temperature is constant. At 15°C the pressure is 101.3 kPa at sea level and 87.14 kPa at h = 1000 m. Answer the following questions. a) What is the atmospheric pressure at an altitude of 4000 m? Round to three decimal places. b) What is the atmospheric pressure at the top of Mount Greylock in Massachusetts, at an altitude of 1063 m? Round to three decimal places. CHECK ANSWER kPa NEXT kPa
- Determine the atmospheric pressure (po) when the Barometer height is (76cm), the density of mercury is (13.6 gm/cm3 ) and the gravity is :(980 cm/sec2). (po) isB)Calculate the atmospheric pressure at 3500m in units (Pa)?The height of Mount Mayon is 2463m. If the pressure at the top of the volcano is 549.41mmHg and the average unit weight of air in the area is 11.69N/m3, what is the expected atmospheric pressure (mmHg) reading for a mecury barometer at the base of the volcano?