What volume should a balloon (filled with helium) need to be in order to lift an 85 kg man? The density of helium is 0,164 kg/m^3. The density of air is 1.29 kg/m^3. (Note Mass of balloon is negligible)

Q: A mercury barometer at the base of the mountain reads 620 mm. At the same time, another barometer…

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Q: A cylindrical tank is fully tank, an additional pressure is applie = 0 and Po = 5 bar, calculate the…

A: Write the expression for result force at point A as follows.

Q: 4. A balloon filled with helium (of density pne = 0.164 kg/m) has a cube shape and rises through the…

A: Given data: Density of helium = ρHg= 0.164 kg/m3Air density is given by ρ(z)  = ρa exp -gzRT  =…

Q: (c) The reading of a mercury barometer is 746mm at sea level. The same instrument yields a reading…

A: GivenPo=746mm HgP=665mm Hgρ=1.225 kg/m3S.G=13.6

Q: f the weight density of soup is 134 lb/ft^3, the volume of a pea totally submerged in the soup is…

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Q: SAE 30 oil having a specific gravity of 0.78 weighs 17.4 N. Calculate the oil's Specif Weight, y…

A: Given   Specific gravity, SG = 0.78                Weight, W = 17.4 N Find   Specific weight of oil

Q: A cylindrical container of radius r=5.00 cm and height h=40.0 cm is filled with mercury to the top…

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Q: As shown in Fig. 2.6 for the U.S. standard atmosphere, the troposphere extends to an altitude of 11…

A: The troposphere extends to an altitude of 11 kmThe pressure = 22.6 kPaThe temperature remains…

Q: Find the load lifted in N by t

A: GIVEN- Dsmall = 4cm Dlarge= 20cm Force = 120N To find- Load lifted by large piston

Q: Calculate the gage pressure in a 4 m^3 vessel occupied by 16 kg of N2O (behaving as ideal gas) at a…

A: Given data Volume of vessel = V = 4 m3 Mass of N2O = m =16 kg Temperature = T = 643 °C = 643 + 273…

Q: The air pressure inside the eye of a hurricane can be as much as 3 inHg lower than that outside the…

A: The height of the bulge of water can be calculated using the formula given below as- P=ρgh where, P…

Q: On a cool day at 21 °C on the beach Isabella wants to propose to her boyfriend, she has a sign that…

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Q: A platinum disc aboard the International Space Station has a thickness of 6 in. and a diameter of 2…

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Q: A weatherman carried an aneroid barometer from the ground floor fo his office atop the Sear tower in…

A: GIVEN DATA - hTOP=30.15 in =2.5125 ft hBOTTOM = 28.60 in = 2.383 ft ρair = 0.075 lbft3 WE HAVE TO…

Q: Calculate the specific volume, specific weight and density of carbon dioxide at 43 ° C and 9? 31 kg…

A: The gas constant for carbon dioxide is 188.9 J/kg.K. Write the ideal gas equation. Here, P…

Q: The bottom of a steel "boat" is a 7 m ✕ 8 m ✕ 5 cm piece of steel (ρsteel = 7900 kg/m3). The sides…

A: Givendimensions of steel =7m×8m×0.05mρsteel=7900kg/m3

Q: The pressure at the bottom of a swimming pool is evenly distributed. Suppose we look at a cast iron…

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Q: Five pounds mass of water in a container have a pressure of 15.0 psi and a temperature of 248°F.…

A: Given : The mass of water = 5 lb The pressure of water = 15 psi The temperature of water = 248 °F

Q: A cubic object (SG=0.893) with a side length of 10 cm is suspended between two liquids (fluid 1 and…

A: Side length of the cubic object, a= 10 cm Specific gravity of the cubic object, SGobject= 0.893…

Q: a container whose capacity is 7.29 m^3 weighs 1867 N when empty and 9.53 kN when filled with a…

A: Given data: V=7.29 m3w=1867 NW=9.53 kN Need to determine the density of the fluid.

Q: A certain gas weighs 17 N/m^3 at a certain temperature and pressure. What are the values of its…

A: Please find the answer below

Q: balloon exert at an elevation of 8km, assuming that the volume has increased 5%? Unit weight of air…

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Q: Rolex threw a certain type of rock into a freshwater lake. As a dare, one of his friend would need…

A: Submerged body When body is submerged in the water then some force exerted by the water that is…

Q: In a fluid mechanics experiment, you are given two unknown metals and was asked to determine if the…

A: When a body is immersed into a fluid, then the fluid exerts a force on the solid in the upward…

Q: The specific gravity of a fluid is, SG = 1.29. Determine the specific weight of the fluid in the…

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Q: What percent of the volume of a piece of iceberg (sg=0.915) will float above the water?

A: Givenspecific gravity of the icebergsg=0.915

Q: You are designing a roller coaster ride. The cars (mass m) start from rest at the top (height H) of…

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Q: Calculate the weight of air (in pounds) contained within a room 23 ft long, 10 ft wide, and 30 ft…

A: Given data  dimension of room = 23 ft*10 ft*30 ft  Pressure = 2175 lb/ft2 Temperature = 56.0oF = (56…

Q: Q (3):-Pressure equal to 5. 16x104 N/m2 and temperature equal to 213.8 K at flying point ? what is…

A: We have to determine altitude and density

Q: What lift does the balloon exert at an elevation of 16km, assuming that the volume has increased…

A: Given data: Elevation = 16 km Initial Volume = V Final Volume = 1.1V Unit weight of air = 2.50 N/m3

Q: (a) You were drinking orange juice and discovered an air bubble with 0.15mm diameter inside. You…

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Q: The absolute pressure on a gas is 300 kN/m^2 absolute and the atmospheric pressure is 840mbars…

A: Following concept is used to arrive the answer. gauge pressure = absolute pressure - atmospheric…

Q: The pilot of a Boeing 767 determines that a total of 22,300 kilograms of jet fuel is needed to fly…

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Q: La Paz, Bolivia, is at an altitude of approximately 2743.2 m. Assume a standard atmosphere. How high…

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Q: ne specific gravity of a liquid fuel at 15.6°C is 0.88. What is its ensity at 32°C?

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Q: 1. Clouds can weigh thousands of pounds due to their liquid water content. Often this content is…

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Q: Airplanes typically fly at altitudes of 6 or 7 miles. Estimate the air pressure and density outside…

A: Pressure is defined as the ratio of force to the area on which force is applied. The ratio of mass…

Q: Find the value of Pressure (MPa), volume (m^3/kg), enthalpy, and internal energy if the T=321 ℃ and…

A: Given Data T=321°Cs=5.544kJ/kg.K

Q: If 5.0 m^3 of oil weighs 3,900 kgf, calculate its specific weight, density,and specific gravity? Use…

A: Given data, Volume of oil, V = 5 m3 Weight of the oil is W=3900 kgfW=3900×9.81W=38259 N To…

Q: If 4.45 m^3 of oil weighs 47 kN, calculate Density in kg/m^3 rounded to the nearest tenths

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Q: In a steam generator, the gauge pressure is 30 bar and the condenser's vacuum pressure is 0.95 bar.…

A: Given Data The gauge pressure is: Pg=30 bar The condensor vaccum pressure is: Pv=0.95 bar The…