How does the pressure at the bottom of a 76-cm column of mercury in a barometer compare with air pressure at the bottom of the atmosphere?

Q: )A person who is 30 m under water will experience O more pressure than a person 40 m underwater more…

A: A person is 30 m under water Let the atmospheric pressure = PoLet the density of water (ρ) = 1000…

Q: Why does ice float on the water?

A: Ice float in water because  The density of ice is less than the density of water

Q: The water was poured from the top of the vertical tube, what happened to the barrel below when it…

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Q: Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load.…

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Q: How much pressure in Pa does a person with 100 kg of mass standing on a rectangle of 0.8 m by 0.8 m…

A: Given:- The size of the rectangle = 0.8 x 0.8  The mass of the person = 100 kg  Find:- The pressure…

Q: The buoyancy of an object is determined by a rule known as __________. Galileo's Principle…

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Q: How does faster moving air above an airplane wing affect the pressure on the wing?

A: This is the very beautiful application of Bernoulli's principle. The wings of the plane work as an…

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

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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: Why are gases easier to compress than liquids and solids?

A: Given: gases compress easily

Q: Your friend says that the buoyant force of the atmosphere on an elephant is significantly greater…

A: The buoyant force is a fluid force that exerts upward on an object when it is either partially…

Q: How does the density of air in a deep mine compare with the air drensity at Earth's surface?

A: According to Boyle’s law, the pressure and density is directly proportional to each other. Thus, if…

Q: A venituri Tube has, a radius of cm in its narrower portion and 2 cm in its wider sections The velo…

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Q: The buoyant force that normally acts on a 1-kg fish is a. less than 10 N b. 10 N c. more than 10…

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Q: How does the pressure at the bottom of a 76cm column of mercury in a barometer. Compare with air…

A: The level of mercury in the tube rises or falls as the atmospheric pressure rises or falls. The…

Q: Consider two identical spherical balls submerged in water at different depths. Will the buoyant…

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Q: How does the buoyant force on a submerged object compare with the weight of water displaced?

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Q: How does the weight of mercury in a barometer compare with the weight of an equal cross section of…

A: Barometer gets balanced when pressure exerted due to liquid’s weight equals the atmospheric…

Q: If a weighted air-filled balloon sinks in deep water, it will A) be acted on by a continuously…

A: In this question we are given that if a weighted air-filled balloon sinks in deep water, it will A)…

Q: How density of objects affects the buoyant force?

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Q: ompared to the buoyant force that acts on a helium balloon, the buoyant force that acts on an…

A: When a body is immersed in a fluid partly or wholly, it experiences an upward force, which is called…

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: What is the upward buoyant force exerted by

A: Given: Mass of the wooden crate=2 kg  Let density of wood crate be Dwc=600 kg/cm3 Density of Water…

Q: Why does the atmospheric aitr pressure could not collapse a balloon?

A: A balloon has a larger pressure inside than outside.

Q: An object weighs 5 N in air but weighs only 3 N when submerged in water. The specific gravity of the…

A: Specific gravity = weight of the body in air/(weight in air - weight in water)

Q: Why does an inflated beach ball pushed beneath the surface of water swiftly shoot above the water…

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Q: Hold a spoon in a stream of water as shown and feel the effect of the differences in pressure.

A: Water pressure is lowered in the curved part of the spoon, which results in moving of part in the…

Q: Would buoyancy occur in the absence of weight? Discuss the buoyancy that would or wouldn’t occur in…

A: Dear Student   Check the magnitude of the buoyant force. It is equal to weight of fluid displaced by…

Q: A piece of rock is in equilibrium at the bottom of a beaker filled with water. Which of the…

A: A piece of rock is in equilibrium at the bottom of a beaker filled with water . From this , it is…

Q: Consider a glass of water that is 10 cm tall. Set the bottom of the glass, where it touches the…

A: Origin (bottom of glass), y = 0 Height of glass, y = 10 cm Position where pressure is largest = ?

Q: Does the air exert buoyant force on all objects in air or only on objects such as balloons that are…

A: The difference in air pressure causes an upward buoyant force in the air all around us. Essentially,…

Q: Discuss which teapot holds more liquid, and why.

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Q: Why would a water barometer have to be 13.6 times taller than a mercury barometer?

A: Barometers are instruments which are used to measure the atmospheric pressure. The standard…

Q: Your friend says that the buoyant force of the atmosphere on an elephant is significantly greater…

A: Buoyant force is the force by fluid in which the body is immersed and it is equal to weight of the…

Q: A brick is thrown into a deep swimming pool. As it sinks deeper and deeper into the water, does the…

A: The buoyant force on an object equals the weight of the fluid it displaces. Fg=W=ρwatergV

Q: Which has a higher buoyancy force, 50cm3 of steel, or 50 cm3 of wood if both blocks are held under…

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Q: Show that pressure at a point is same in all directions

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Q: Why isn't the total tension in a rope zero when equal and opposite pressures are applied to the two…

A: What is tension? Tension is defined in physics as the pulling force transferred axially by a string,…

Q: How does faster-moving water between two ships affect the water pressure against the sides of the…

A: According to the Bernoulli's principle, the pressure exerted by water gets decreases as its speed…

Q: A container is filled to a depth of 20.0 cm with water. On top of the water floats a 15.0-cm-thick…

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Q: In a large tank of liquid, the hydrostatic pressure at a given depth is a function of

A: In a large tank of liquid, the hydrostatic pressure at a given depth is a function of .....