What is the Earth’s atmosphere composed of?  Why would you die of suffocation if you were to jump from a jet?

Q: Why do liquids diffuse slower than gases?and  Why ice floats on water?

A: Fluid diffusion is slower because particles in a fluid travel at a slower rate.

Q: Highest experienced pressure   a. lowest part of a waterfall b. top of the highest mountain c.…

A: Answer is obviously the deepest part of the ocean. Option d. Is the correct option.

Q: what is the formula pressure at 50000m given temperature at that height and using sea level as a…

A:

Q: What is the height of a water barometer at atmospheric pressure?

A: Let , the height of water barometer=hdensity of water=PThen , pressure of water , P=ρgh

Q: Determine the absolute pressure exerted by the seawater in kPa on the body of the diver if he…

A:

Q: How does water pressure 1 m beneath the surface of a lake compare with water pressure 1 m beneath…

A:

Q: Why is it misleading to describe atmospheric pressure as simply the weight of the air only pressing…

A: Atmospheric pressure cannot be defined as simply the weight of the air because weight only acts in…

Q: ank the following from highest pressure to lowest pressure upon the ground: ➢ The atmosphere at sea…

A: Pressure is define as force per unit area                  P = FAP = mgA Here m is the mass of the…

Q: What is the approximate mass of a column of air 1 cm2 in area that extends from sea level to the…

A: The approximate mass of 1 cm2 column of air extending from sea level to the upper atmosphere is 1…

Q: What is the pressure at the bottom of a swimming pool which is 12 feet deep and contains freshwater?

A: We know that :

Q: The density of the atmosphere at sea level is 1.29 kg/m3. Assume that it does not change with…

A: Write the expression for atmospheric pressure in terms of height.

Q: If a raft is placed in a salt water, which has a density greater than fresh water, what will happen…

A:

Q: A person weighing 75 kg is standing on a three-legged stool. The stool momentarily tilts so that the…

A:

Q: certain submarine can withstand 150 atmospheres of pressure before being crushed. How deep into the…

A: Given that pressure P = 150atm  1atm=101325Pa We know that  Absolute pressure = atmospheric pressure…

Q: Find the gauge and absolute pressures in the balloon andpeanut jar shown in Figure 11.16, assuming…

A: h = 0.05 m = 5 cm  To find = gauge and absolute pressures in the balloon and peanut jar

Q: Consider a 0.15-mm diameter air bubble in a liquid. Determine the pressure difference between the…

A:

Q: imagine that you fill a balloon at seal level (1.0 atm) with 18L of air. You are taking the balloon…

A: From Boyle’s law: Thus, further using the provided condition and Boyle’s law statement.

Q: Small insects can move about on the surface of water . Explain.

A: This is due to the surface tension

Q: What is the relationship between liquid pressure and the depth of the liquid? Between liquid…

A: Pressure is given by,

Q: How the air pressure of the tire is measured and expressed?

A: Air pressure in tires is measured in pounds per square inch, or PSI; usually, the recommended…

Q: An airplane wing with an average cross-sectional area 10 m^2 experiences a lift force of 70 000 N.…

A:

Q: Calculate the absolute pressure at an ocean depth of 70 m. Assume the density of sea water is 1 020…

A: From the question,  We get  atmospheric pressure=101.3*10^3 Pa =101.3*10^3 N/m^2 density of…

Q: Compare the water pressure at the bottom of a bathtub to the water pressure at the bottom of a…

A: In case of fluids the pressure increases with the depth, because the weight of the column of water…

Q: Put an ice cube in a glass, and fill the glass to the brim with water. When the ice cube melts, does…

A: The level of water remains the same on melting of ice.  This is because when a solid is immersed in…

Q: Suppose the pressure 6.2 m deep in a lake of fresh water is 141,028 Pa. Calculate the atmospheric…

A:

Q: A cubical wooden block with edge of 6 cm is floating with one-third of its volume above the water…

A:

Q: What is the emergent velocity of water from a crack in its container 6 m below the surface? If the…

A: According to Torricelli’s theorem, the emergent velocity of water through crack is calculated as,…

Q: A vertical wall is 4 meters long and 10 meters tall.

A: Solution

Q: small hollow ball in water- As you submerged the ball more and more, how did the upward force…

A:

Q: A 120 cm diameter sphere floats in salt water, density 1025 kg/m^3, half of it submerged. What…

A: Given that  Diameter of sphere=120cm Density of salt water =1025kg/m^3 Now the total weight of water…

Q: In answering the question of why bodies float higher in saltwater than in freshwater, your friend…

A: In physics, the density is defined as the mass per unit volume. Density of salt water is more than…

Q: An aircraft is flying at a certain altitude where the pressure is 75000Pa. Calculate for the…

A: Pressure: Pressure is nothing but the force per unit surface area. Now, for a liquid column of…

Q: What is the pressure at the bottom of the water layer? Express your answer with the appropriate…

A:

Q: A submarine dives down to a depth 20 metres beneath the surface of the ocean. Calculate the pressure…

A:

Q: Put an ice cube in a glass, and fill the glass to the brim with water. When the ice cube melts, does…

A: Archimedes' Principle says that The weight of the fluid displaced is equal to the weight of the body…

Q: A submarine dives down to a depth 80 metres beneath the surface of the ocean. Calculate the pressure…

A:

Q: A cubical block of wood, 10.0 cm on a slide, floats at the interface between oil and water with its…

A: Given, Cubical length, l=10 cm=0.1 m, height from interface, h=1.5 cm=0.015 m, and the density,…

Q: It is said that a gas fills all the space available to it. Why, then, doesn’t the atmosphere go off…

A: It is the gravity keeps all the gas molecules together near Earth.

Q: An aircraft is flying at an altitude where the pressure ratio is 0.25. Assume standard sea level…

A: In this question we have to find the altitude of the aircraft. Please give positive feedback if the…

Q: How does pressure change with depth in a water column?

A: Pressure at a depth P=WA=ρgVA=ρgh

Q: How does pressure vary with water depth?

A: Pressure increases with water depth.

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.