Discuss the effect of depth on the value of g.

Q: Show that there exist an excess pressure inside a curved liquid surface.

A: Step 1The force due to surface tension always acts normal to the surface in inward direction on the…

Q: What is the effect of varying object distance?

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Q: Air is pushed steadily through a forced-air furnace pipe at a steady speed of 4.0 m/s. The pipe…

A: Given data:  Speed at wider portion (V1) = 4.0 m/s Measurement of pipe at wider portion = 56 cm × 22…

Q: The mass of Earth is about 20 times the mass of Mercury and the radius of Earth is about 3 times the…

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Q: Water flows in a horizontal tube of two pieces, the radius of the large chunk 2.5 cm at a speed of 2…

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Q: A block of steel (s.g.=7.85) will "float" at a mercury water interference as in Fig. 6-19. What will…

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Q: You are floating on the surface of the water in a lake. A boat passes by, creating waves in the…

A: it is a case of wave motion. As boat passes it disturbs the water to move up and down that is…

Q: A boat at anchor is rocked by waves whose crests are 40 m apart and whose speed is 5 m/s. The waves…

A: distance between the crests = 40 m wave speed = 5 m/s

Q: Why will a vacuum pump not operate for a well that is more than 10.3m deeper?

A: a vacuum pump not operate for a well that is more than 10.3m deeper

Q: Why are windows of airplane smaller than bus windows?

A: On moving up the altitude the pressure decreases. Since the pressure is low at high altitude human…

Q: ) A thin-walled bowl in the shape of a hemisphere just barely floats in water.  If it has a diameter…

A: Given data The diameter of the bowl is given as d = 10 cm.   According to the condition of…

Q: "Matter has broken the sound barrier but will not be able to exceed the speed of light." Explain…

A: "Matter has broken the sound barrier but will not be able to exceed the speed of light." Explain…

Q: An immersed body is always buoyed up by a force equal to the weight of the body. False True

A: Given that ,                 the body is immersed in a fluid or liquid

Q: A shell fired at a target 800 m distant was heard to strike it 5.0 s after leaving the gun. Compute…

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Q: Why do you suppose that airplane windows are smaller than bus windows?

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Q: State Wien’s Displacement Law. Also give its expression.

A: When the temperature of a blackbody radiator increases, the radiated energy also increases and the…

Q: A submerged horizontal flat plate is suspended in water by a string attached at the centroid of its…

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Q: The bells of temple are big in size. Why?

A: The bells of a temple are made big in size, so that they can have a low resonant frequency. The…

Q: Joseph who weighs 70 kg is singing while sitting on a 5 kg, four-legged chair. If each tip of the…

A: Pressure is the perpendicular force per unit area. P = F/A Where, P = Pressure F = Total force A =…

Q: Why do clouds seem floating in the sky?

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Q: A handheld bicycle pump can be used as an atomizer to generate a fine mist of paint or pesticide by…

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Q: Cathedral hull allows a boat to do what?

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Q: A stone is dropped from the deck of the bridge. The sound of the splash reached the deck 3 seconds…

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Q: A wooden spherical ball with specific gravity of 0.45 and a diameter of 400mm is dropped at a height…

A: ball with specific gravity of 0.45diameter of 400mmheight of 5.2m density of wood=450 kg/m3

Q: The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines, where…

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Q: A soldier sees the flash from a cannon that is fired in the distance and 10 seconds later he hears…

A: The velocity of an object is define das the ratio  of the displacement of the object to the time…

Q: A Kundt's tube apparatus has a copper rod of length 1.0 m clamped at 25 cm from one of the ends. The…

A: Speed of sound in air,

Q: If you place a candle directly in front of a large speaker that is playing music, what do you expect…

A: Sound is a longitudinal wave,when sound wave release,its frequency also release from the speaker and…

Q: You place your ear onto a steel railroad track and hear the sound of a distant train through the…

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Q: what if there is no given finsl velocity?

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Q: If you release a Ping-Pong ball beneath the surface of water, it will rise to the surface. Would it…

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Q: The question is attatched down below.

A: Given- Your weight W=750N The weight of your belongings is Wb=1000N The displacement of the elevator…

Q: How does the overall effectiveness of a finned surface differ from the effectiveness of a single…

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Q: The ship was able to float in the water because its weight was same as the weight of water it…

A: Any body  will always float in liquid when the weight of object is equal to weight of displaced…

Q: What is the relationship between the weight of the collected liquid to the weight of the object in…

A: Answer:-  The relationship between the weight of the collected liquid to the weight of the object in…

Q: A boat at anchor is rocked by waves whose crests are 100 m apart and whose speed is 25 m/s. These…

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Q: What happens to the size of air bubbles released by the diver as they rise?

A: According to Boyle’s law, the pressure and the volume is inversely proportional to each other with…

Q: Pupils should in low- light situations . stay the same size constrict ( become smaller ) dilate…

A: Pupils have tendency to dilate (become bigger) in low- light situations.

Q: Find the mass of air in hall?

A: Given data.  Density of air,D= 3.11 kg/m3Dimension of hall are,   → 10m×6m×4mFind the mass of air in…

Q: A spherical weather balloon is filled with hydrogen until its radius is 4.10 m. Its total mass…

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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 .....

Q: amount of matter contained in a body * O Composition O Mass O Weight O gravity force

A: Matter is defined as anything that has mass and occupies space. On the basis of physical properties…

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.