A recreational (open) hot air balloon (i.e., P(inside) is approximately P(outside) has a volume of 2107 m^3 when fully inflated. The total weight of the balloon, basket, ballast and pilot is 1950.2 N (439 lbs). By how much must the density of the air in the balloon be smaller than that of the surrounding atmosphere in order to keep the balloon floating level near the ground?

Q: A cylindrical water tower is filled to a depth of 6.00 m, and has the dimensions shown in the…

A:

Q: A bug from South America known as Rhodnius prolixus extracts the blood of animals. Suppose Rhodnius…

A:

Q: A simplified model of how an airplane flies relies on a difference in air pressure between the top…

A:

Q: When a block of mass m of unknown density is hung in air, its weight is found to be w = 4.90 N. When…

A: Given, Weight of block in air,wair=4.9 N Weight of block in water,wwater=4.35 N Density of…

Q: In an open U-tube, the pressure of a 17.5-centimeter water column on one side is balanced by a…

A: Given: Height of water column (h) = 17.5 cm. = 17.5×10-2 m. Density of water (ρw) = 1000 kg/m3.…

Q: A 16.0 kg platinum mass rests on the bottom of a pool. (The density of platinum is 21.4 ✕ 103 kg/m3…

A:

Q: A solid rectangular block has the a length of 64.5 cm and a width of 32.0 cm. The thickness of the…

A:

Q: What fraction of the volume of an iceberg (density 917kg/m3) would be visible if the iceberg floats…

A: Given : Density of iceberg (ρiceberg) = 917 kg/m3 Density of saltwater (ρsaltwater) = 1024 kg/m3…

Q: At what depth of the ocean would the liquid pressure be equal to 3.0 atm? The density of seawater is…

A: Given, Pressure at the depth of the ocean, P = 3.0 atm density of sea water, ρ = 1025 kgm3

Q: Given that the cylinder floats in water with its axis vertical. A steel anchor is attached to the…

A:

Q: Eileen is floating on her back in the beautiful blue Caribbean during her spring vacation. If…

A: Eileen's density: ρeillen = 980 kg/m3  Volume of Eileen's body: V = 0.060 m3  Density of sea water:…

Q: Given: A person is diving in a lake in the depth of h = 8.5 m. The density of the water is ρ = 1.0…

A:

Q: An anchor made of iron weighs 833N on the deck of a ship. If the anchor is now suspended in seawater…

A:

Q: An astronaut is working outside the International Space Station where the atmospheric pressure is…

A:

Q: What is the buoyant force on a raft with a volume of 6.0m which two-thirds of its volume is…

A: Given:Volume of raft, V= 6m3Volume submerged in the sea water, V0 = 23V = 4 m3Density of water, ρsw…

Q: A bug from South America known as Rhodnius prolixus extracts the blood of animals. Suppose Rhodnius…

A:

Q: W 1.6 A 30-m vertical column of fluid th (density 1878 kg/m') is located where g = 9.65 mps*. Find…

A:

Q: A bug from South America known as Rhodnius prolixus extracts the blood of animals. Suppose Rhodnius…

A:

Q: A 6.1kg solid sphere,made of metal whose density is 2600kg/m^3,is suspended by a cord.When the…

A: Write the given value of this problem: The mass of solid(m)=6.1 kgThe density of metal(ρm)=2600…

Q: An object with mass 1.0 kg when placed in water has an apparent weight of 5.0N. It is then placed…

A: Recall Apparent weight=actual weight-Buoyant force

Q: A cylindrical water tower is filled to a depth of 6.00 m, and has the dimensions shown in the…

A:

Q: A raft is constructed of wood having a density of 6.00x102 kg/m³. Its surface area is 5.30 m? and…

A:

Q: A solid cube of side length 11.8 cm is suspended on light string. When the cube is totally immersed…

A:

Q: The Venturi tube as shown in the figure may be used as a fluid flowmeter. Suppose the device is used…

A:

Q: 10:   A person is diving in a lake in the depth of h = 9.5 m. The density of the water is ρ = 1.0…

A:

Q: In the figure, a cube of edge length L = 0.556 m and mass 1200 kg is suspended by a rope in an open…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A piece of aluminum (density = 2,700 kg/m3kg/m3) is attached to a string and suspended in a pool of…

A: Given data: The density of the liquid (ρ) = 750kg/m^3 the apparent weight of the aluminum is (W') =…

Q: Consider a vertical concrete structure of comparable height to the 111 West 57th Street skyscraper:…

A: Given data: The height of structure is h=435 m. The density of concrete is ρ=2.4 x 103 kg/m3. The…

Q: In Fig. 14-11, a block of density p = 800 kg/m floats face down in a fluid of density P = 1200…

A:

Q: There are two cans of food are sitting on a kitchen counter. The same pressure is exerted on the…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A 30 kg of balloon is filled with 100m3 of hydrogen. How much force is needed to hold it down?…

A: Given information:Density of the air (ρair) = 1.293 kg/m3Density of hydrogen (ρhyg) = 0.09 kg/m3The…

Q: A person is diving in a lake in the depth of h = 15 m. The density of the water is ρ = 1.0 x103…

A:

Q: 1. If a depth of liquid of 1m causes a pressure of 7kPa, what is the specific gravity of the liquid?…

A:

Q: An oil refinery uses a Venturi tube to measure the flow rate of gasoline. The density of the…

A: a) Apply the continuity equation between sections 1 and 2. Apply Bernoulli’s equation between…

Q: If a Boeing 737 has a mass of 20,000 kg and a total wing area of 100 m2, what difference in pressure…

A: a) The pressure difference of Boeing 737In airplane, the weight of the airplane is balanced by lift…

Q: The density of ice is 920 kg/m3 and that of seawater is 1030 kg/m3. What percentage of the volume of…

A: Given data:  Density of ice (ρice ) = 920 kg/m3 Density of seawater (ρw) = 1030 kg/m3 Required: The…

Q: An aquarium was filled with salt water at a depth of 0.5 m. What is the pressure due to the liquid?…

A:

Q: A parallelepiped is hung from a wire inside a water tank as shown in the figure. The dimensions…

A: The dimensions shown are a = 29.0 cm, b = 23.2 cm, c = 53.2 cm, d = 8.03 cm and the upper face B is…

Q: A particle of equivalent diameter 0.3 mm, density of 2000 kg/m3 and a sphericity of 0.6 falls freely…

A:

Q: A cylindrical swimming pool has a radius of 2m and depth 1.3m. It is filled completey with salt…

A: Given data: SG = 1.03 Atmospheric Pressure = 1.013x10^5 Pa Need to determine the density of salt…

Q: Given: Suppose your body has a density of 986 kg/m3. What fraction of you will be submerged when…

A:

Q: The gauge pressure in a balloon in measured by means of an open-tube manometer that uses water…

A:

Q: A large storage tank, open to the atmosphere at the top and filled with water, develops a small…

A:

Q: A slab of ice floats on a freshwater lake. What minimum volume (in m3) must the slab have for a 45.0…

A:

Q: On a water-filled tank, a ball displaces 3.45 x 10-3 m3 volume of water. a) What bouyant force is…

A:

Q: Given that the cylinder floats in water with its axis vertical. A steel anchor is attached to the…

A: Find the equation relates the weight of the anchor and the submerged height. Wa=PA=hρgA

Q: Q) Calculate the ratio between the height to which ethyl alcohol rises to water by capillary action…

A:

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.