Will the buoyant force on an aluminum sphere submergedin water increase, decrease, or remain the same, if thetemperature is increased from 20°C to 40°C? Explain.

Q: Air at standard atmospheriIc condition flows through a pipe at a velocity o 20 m/s, which then…

A: Given  Air Velocity at standard atmospheric condition in a pipe= 20 m/s Air velocity when pipe…

Q: A block of iron weighs 98 N in air. How much does it weigh when it is completely immersed in water?…

A: Given data: Weight of the object in air = 98 N Density of iron= 7.86 x 10^3 g= 9.8 m/s^2 Need to…

Q: A 5.0 kg freshwater fish at the surface of a lake is neutrally buoyant. If the density of its body…

A:

Q: When resting, a person has a metabolic rate of about 4.2 x 105 J/h. The person is submerged neck…

A:

Q: 3. (10 pts) Determine the atmospheric pressure at a location where the barometric reading is 28.64…

A: Given Barometric pressure    = 28.64 Hg Density of mercury = 13,600 kg/m3 Piston weight          =…

Q: What is atmospheric pressure on top of Mt. Everest on a day when water boils there at a temperature…

A:

Q: 12–107. The fireman wishes to direct the flow of water from his hose to the fire at B. Determine two…

A:

Q: Calculate the correction that needs to be applied to a T 89° C if barometric pressure when measuring…

A:

Q: QIC S A liquid with a coef- ficient of volume expansion of B just fills a spherical flask of volume…

A: A)The formula for the overflow volume is

Q: An opening of area 0.280 cm2 in an otherwise closed beverage keg is 40.5 cm below the level of the…

A: Given: The area of opening is 0.280 cm2. The depth of opening is 40.5 cm. The density of the liquid…

Q: When boarding an airplane, you bring a bag of chips (or any other item packaged in an airtight foil…

A: Given:  A bag of chips

Q: At 1 atm, an 80 kg ice skater manages 2 cm2 contact area with the ice (really sharp skates). What…

A: Mass of skater = 80 kg Contact Area = 2 cm 2 A = 0.0002 m2 Force = weight of skater F = mg F = 80 *…

Q: A solid piece of aluminum (p = 2.70 g/cm) has a mass of 8.35 g when measured in air. If it is hung…

A:

Q: A desktop computer is to be cooled by a fan whose flow rate is 0.34 m3/min. Determine the mass flow…

A: The mass flow rate is related to the volume flow rate as,

Q: The air density is 1.28Kg/m³. the mass of the empty balloon is 2g. Determine the diameter of the…

A:

Q: 2.49 Which of the following is the formula for the gage pressure within a very small spherical…

A:

Q: 97. * An object is solid throughout. When the object is completely submerged in ethyl alcohol, its…

A: Given data The apparent weight in ethyl alcohol is We=15.2 N The apparent weight in water is Ww=13.7…

Q: The end of the capillary tube of radius r immersed into water of surface tension T and density d.…

A: The formula for the raise of water level in a capillary tube is:

Q: A simple open U-tube contains mercury. When 11.2 cm of water is poured into the right arm of the…

A:

Q: Air is flowing steadily around a. sphere, with a speed of 10 m/s. The flow separates at point 1, and…

A: Speed of free stream is u = 10 m/s Velocity at point B is v = 15 m/s Density of sphere is p = 1…

Q: The lower end of a capillary tube of diameter 2-0 mm is dipped 8-00 cm below the surface of water in…

A:

Q: Long steam pipes that are fixed at the ends often have a section in the shape of a U. Why?

A: Given, Fixed Long steam pipes

Q: How to answer this? Thanks so much.|For 5. In Hg is a unit of pressure (specifically, pressure head…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A fish fills the air spaces in its porous bone with air at a pressure 1atm (normal atmospheric…

A: Write the expression for the pressure exerted on the porous bone at a depth. Here, Pa represents…

Q: A 6.5-cm-diameter ball has a terminal speed of 26 m/s.   What is the ball’s mass? Use ρ = 1.2 kg/m3…

A: The terminal speed of the ball is,

Q: Why is it so difficult to breathe when snorkeling at a depth of 1 m and practically impossible at a…

A: Breathing is difficult due to increasing pressure exerted by water as we go deep during snorkeling.…

Q: Thick fluids such as asphalt and waxes and thepipes in which they flow are often heated in order to…

A: The rate by which heat transfer by radiation be given as,

Q: A large balloon has a volume of 3.6 m cubed. As it it rises in the Earth’s atmosphere, it’s volume…

A:

Q: What is the absolute pressure of the air in your car’s tires, in psi, when your pressure gauge…

A:

Q: The air density is 1.28Kg/m³. the mass of the empty balloon is 2g. Determine the diameter of the…

A:

Q: With its swim bladder deflated, a 9.5 kg yellowfin tuna has a density of 1050 kg/m3. It is swimming…

A: The volume of the tuna when its air bladder is deflated can be computed from the given mass and…

Q: One can expect the heat transfer coefficient for turbulent flow to be for laminar flow. (a) less…

A: We know thatHeat transfer coefficient depends on Reynold numberHeat can flow in two…

Q: a Goodyear airship, such as that in Figure, contains about 5.40×103 m3 of helium (He) whose density…

A: The volume of Helium = 5400 m3 The density of Helium,ρHe= 0.179 kg/m3 The density of air,…

Q: A metre long narrow bore held horizontally (and closed at one end) contains a 66 cm long mercury…

A:

Q: Many cultures around the world still use a simple weapon called a blowgun, a tube with a dart that…

A: We have, the force acting due to pressure P on an area A can be written as, F=PA (Equation 1) As the…

Q: A welded steel cylindrical drum made ofT ade от a 10-mm plate has an internal diameter of 1.20 m &…

A: The change in diameter can be determined by using the relation ΔD = εD…

Q: The density of water at 0°C is very nearly 1000 kg/m3 (it is actually 999.84 kg/m3), whereas the…

A: Expression for bulk modulus           K=V∆P∆V⇒∆P=∆VVK Expression for volume…

Q: What will be the minimum pressure to compress 500 dm3 of air at 1 bar to 200 dm3 at 30°C?

A:

Q: A garden hose has an internal diameter of 2 inches. It is connečted to a lawn sprinkler that…

A: given , hose internal diameter , D = 2 inch speed of water in the hose , V = 3 ft/sec diameter of…

Q: What fraction of the volume of a solid piece of metal of sg =6.50 floats above the surface of…

A:

Q: A hippo is dozing under water with only its small nostrils sticking out. It has a mass of 2100 kg…

A: Force (F) exerted by the hippo on the ground of the pool is given by, Here, m denotes the mass of…

Q: At what flow rate (in m3/s) might turbulence begin to develop in a water main with a 0.300 m…

A: Given data The diameter of the main pipe is: d = 0.3 m   The expression for the Reynolds number is…

Q: determine the atmospheric pressure at a location where the barometric reading is 740 mm hg. Assume…

A: The net force acting on an object causes the acceleration of the object. The net force acting on the…

Q: A pipe of length L = 25.0 m that is open at one end contains air at atmospheric pressure. It is…

A: Given L=25.0m n = constant T = constant thus,

Q: The base of an insect's leg is approximately spherical in shape ,with a radius of about 2x10-5 m.…

A:

Q: A m=10.0 kg solid block made of plastic with a coefficient of linear expansion a = 420 x 10-6 K-1…

A: Givenm=10.0 kgα=420×10-6  k-1ρ25°C=1200 kg/m3ρW=1000 kg/m3g=9.80 m/s2