A certain part of an aircraft engine has a volume of 1.5 ft3. (a) Find the weight of the piece when it is made of copper. lb (b) If the same piece is made of aluminum, what is its weight? lb Determine how much weight is saved by using aluminum instead of copper. lb

Q: A physiologist measures the massages of a person to be 80.0kg and his apparent mass when submissed…

A: Given: Mass of the person, M = 80.0 kg Apparent mass of the person, Ma = 2.0 kg density of water, dw…

Q: A duck is floating on a lake with 28% of its volume beneath the water. What is the average density…

A: Density of water = 1000 kg/m3Duck’s volume submerged in water = 28%

Q: As discussed a person’s percentage of body fat can be estimated by weighing the person both in air…

A: Here, the body fat percentage of a person needs to be estimated by using given equation Given,…

Q: If a car lift used in a service station, compressed air exerts a force on a square small piston that…

A: PASCAL's LAW : P1=P2 F1A1=F2A2 GIVEN : Radius of piston 1 , r1=d2=52cm      =2.5cm =0.025 m  Radius…

Q: A cylindrical tank can hold 500 kg water or 450 kg of cooking oil. What is the density of cooking…

A: Given, A cylindrical tank can hold 500 kg water or 450 kg of cooking oil.

Q: A person can change the volume of his body by taking air into his lungs. The amount of change can be…

A: The weight of the person under water with partial lungs is, F=W-FB20=mg-Vfρg…

Q: 3. Find the work required to pump water over the top of a cylindrical barrel if the barrel is 3 feet…

A: Write the equation for work as below. W=mgh Here, W is work, m is mass, g is acceleration due to…

Q: Calculate the average time it takes a glucose molecule to move 1.0 cm in water.

A:

Q: The wings of a certain airplane have a total bottom surface area of 105 m2 . At a particular speed,…

A:

Q: A modern day zeppelin holds 8000 m^3 of helium. Compute its maximum payload at sea level.

A: Given: A modern day zeppelin holds 8000 m3 of helium. Compute its maximum payload at sea level.

Q: A barge is made from a rectangular box. The bottom of the box has a length 1.04 m and a width 1.49…

A:

Q: A hot air balloon has a volume 3,248 m3 . It is filled with hot air of density 0.96 kg/m 3 . The…

A:

Q: A man lifts a 100 N can of oil by pressing his two hands against the smooth sides, toward each…

A: given data, weight of oil , W = 100 N coefficient of static friction , μ = 0.3

Q: .A gold doubloon 6.1 cm diameter and 2.0 mm thick is dropped over the side of a pirate ship. When it…

A: Given : Diameter of the gold double on, d = 6.1 cm = 0.061 m Thickness of the gold dobson, t = 2.0…

Q: The swept area of wind turbines is increased by a factor 4, by doubling the blade length. Prove the…

A:

Q: A container of mass 200g contains 160cm^3 of liquid. The total mass of the container and liquid is…

A:

Q: What is the mass of one liter of methyl alcohol whose density is 190 kg/m3. What is its weight?

A: Density is defined as the mass of a substance per unit volume. It is measured as,…

Q: An oil circulates through a pipe (SG = 0.85), if the speed of the oil is 20 m / s and the diameter…

A: Volumetric flow is speed of oil multiplied by cross sectional area of pipe. Velocity =20m/s Diameter…

Q: An auditorium measures 40mx20mx12m.the density of air is 1.20kg/m^3. What are a) the volume of the…

A: The dimensions of the room are given.  Then the volume is calculated as…

Q: A brass lid of an ordinary glass was stacked at 25°C. The jar was placed in water at 80°C. Find the…

A: The change in diameter is Δd=αd0Tf-Ti Here, α is the linear coefficient of expansion,  d0is the…

Q: An airplane has a mass of  1.7 x 106kg and the air flows past the lower surface of the wings at 95…

A: To determine: The speed of the air flow over the surface of the wing when the plane stays in the air

Q: A college dormitory room measures 14 feet wide by 13 feet  long by 9 feet high. What is the weight…

A:

Q: The air pressure on the bottom of an airplane's wings is greater than the pressure on the top,…

A:

Q: A nurse applies a force of 50N to the syringe's circular piston which has a radius of 5 mm.…

A:

Q: Physicians use a machine called a spirometer to measure the maximum amount of air a person can…

A: In this question we are given that physicians use a machine called a spirometer to measure the…

Q: Two water pipes of the same length have inside diameters of 6 cm and8 cm. These two pipes are…

A: Given capacity is same and their is volume is combined which will the volume of new pipe. Now let…

Q: A cylinder made of either alumnium or brass has a mass of 250 g and a diameter of 10 cm. What is its…

A:

Q: Supposed you put a 2 liter soda bottle in the refrigerator. Assuming the soda has the same density…

A: Here, mass of the soda can be calculated by the formulla . Density = mass/ volume.   ...............…

Q: A certain part of an aircraft engine has a volume of 2.6 ft³. (a) Find the weight of the piece when…

A: Solution: given that; aircraft engine volume = 2.6 ft3

Q: A rectangular gasoline tank can hold 50.0 kg of gasoline when full. What is the depth of the tank if…

A: Given: Mass of gasoline that rectangular gasoline tank can hold of gasoline when full, M=50.0 kg…

Q: The metal sphere of surface area A, radius R, and volume V is subject to pressure P such that the…

A: surface area A, radius R, volume V

Q: A certain part of an aircraft engine has a volume of 1.7 ft3. (a) Find the weight of the piece when…

A:

Q: ind the weights of gelatin and butter contained in a cubic box with a side limension of 0.03 cm.…

A: Side of the cube box,(a)=0.03 cm=0.03 x 10-2 m -----(1) [Given]   [Using 1 cm=10-2m] Density of…

Q: A small statue is recovered in an archaeological dig. Its weight is measured to be 96 lb, and its…

A: We know thatd=wvHered=Weight density of substancew=weight of substancev=volume of…

Q: An oil circulates through a pipe (SG = 0.85), if the speed of the oil is 20 m / s and the diameter…

A:

Q: In cleaning out the artery of a patient, a doctor increases the radius of the opening by a factor of…

A: Cross sectional area is,

Q: A rocket engine shoots exhaust gas at 5.0 EH PA of gas pressure through a nozzle who's area is 0.3 M…

A:

Q: The air pressure on the bottom of an airplane's wings is greater than the pressure on the top,…

A:

Q: A spherical tank, having a diameter of 1.5 m, is used to contain oil with a specific gravity of…

A:

Q: 45. Find the force on a 44 foot wide by 9 foot deep wall of a swimming pool filled with water.…

A:

Q: What is the minimum area (in square meters) of the top surface an ice slab 0.430 m thick floating on…

A:

Q: Assume that a raindrop has a volume of 0.05 cm^3 and you need an Avogadro's number of raindrops to…

A: Given data: -  The volume of the raindrop is v = 0.05 cm3.

Q: A piston consist of two cylinder of different diameters (5 and 30 ) cm that connect together and…

A: Given data: The diameter of piston A is dA=5 cm. The diameter of piston B is dB=30 cm. The height…

Q: A small cylindrical drum 32 cm in diameter and 52 cm high, weighing 27 N contains perfume (SG =…

A: