Which is denser, an object having the density of 1000kg/m3 or an object having density of 1g/cm3. Defend your answer.

Q: Why is the density of frozen food less compared to that of unfrozen food?

A: Why is the density of frozen food less.

Q: Consider the case that the barometer reading at the top of the building is 751 mmHg and at the…

A: Given data: Barometric readings at top of building is, H1=751 mm·Hg. Barometric readings at bottom…

Q: Barometer is an instrument used to measure .

A: Barometer is an instrument used to measure atmospheric pressure.

Q: Where are the cylindrical or spherical pressure vessels commonly used?

A: Pressure vessels are containers which hold liquids or gases.

Q: Calculate the total force exerted by the atmosphere on a rectangular table top that measures 1.6 m x…

A:

Q: What is Principle of Floatation?

A: Principle of Floatation is also known as Archimedes' principle

Q: A 2.0lb piece of iron or steel  readily sinks in water, yet occean liner made of iron and steel…

A:

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

A:

Q: How does water pressure 1m below the surface of a small pond compare with water pressure 1m below…

A: Pressure is given by,

Q: Calculate the pressure on the top lid of a chest buried under 4.50 meters of mud with density 1.75…

A:

Q: *1.1 PQ<For each variable below, list three common units. a. Volume flow rate (Q), mass flow rate…

A:

Q: Calculate the absolute pressure at the bottom of an ocean at a depth of 28.42 meters. The density of…

A: Solution,

Q: What are meant by density, viscosity and surface tension of liquids ?

A: Density, Viscosity and Surface tension of liquids

Q: How is the density of fish controlled? How is the density of submarine controlled?

A: If the fish changes its volume whereas a submarine changes its weight,Submarine work in a similar…

Q: What relation exists between cross sectional area and velocity of fluid? Velocity and pressure?

A:

Q: A block of wood has density 0.57 gm/cm3 and mass 1,634 gm. It floats in a container of oil (the…

A: Given data: Density of wood (ρw) = 0.57 g/cm3 Mass (m) = 1634 gm Density of oil (ρo) = 0.77 gm/cm3…

Q: he specific gravity of a liquid is 0.75. What height (in m) of that liquid is needed to provide a…

A: Given that                 The specific gravity of a liquid is 0.75.                   so the…

Q: How H2O affected by gravity? A)Vapour Pressure B)Boiling Temperature C)Specific Weight D)Density

A: The density is expressed as: density = specific gravity/gravity specific weight=density . gravity

Q: How much pressure at the bottom of the fluidized waste pool with a height of 9,567 inch when the…

A: Given, Height, h=9567 inch=243.0018 m, acceleration due to gravity, g=32.2 ft/s2=9.814 m/s2, and…

Q: When you dive to a depth of 12.50 ft in seawater, what is the pressure?

A: Givendepth (h)=12.50 ft=3.81 mlet p= pressure at depth 12.5 ft

Q: A Cuvier's Beaked Whale, weighing 5,500 pounds-force [lb f, holds the record for deepest ocean dive…

A: Given data The weight of the whale is given as W = 5500 lbf. The depth achieved by the whale is…

Q: Calculate the gauge pressure at a depth of 436 m in seawater. The density of seawater is 1030 kg /…

A: Given ,h = 436m The density of seawater is 1030 kg/m3 g = 9.8 m/s2   Gauge pressure is difference…

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

A: Pressure is given by,

Q: Why does water “seek its own level”?

A: The water exerts a pressure on the surface which is equal at any part of the water. Also, it…

Q: نقتل لوکی 3.7 Gold has a specific gravity of almost 20., Ifa 25 liter pail of water weighs about 25…

A: Volume of gold is V = 25 litre Specific gravity of gold is s = 20

Q: Density of sphere=7800kg/m³ and volume of sphere =13cm³,density of mercury=13600kg/m³.what volume of…

A: Given:-  The density of the sphere ρs=  7800 kg/m3 The volume of the sphere V = 13 cm3 The density…

Q: Which of the following properties is one of the two that allow water being able to defy gravity?…

A: It is an objective type question

Q: What types of objects sink in water?

A: When an object is placed in water, it may sink or float.

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

A:

Q: Calculate the force of weight  in air when the weight of the object in water

A: According to Archimedes principle When any object displaces a weight of water equal to its own…

Q: Auniform pencil foats with 8cm of its length immersed in water. What length is immersed when it…

A: Recall Buoyant force =weight of displaced fluid In equilibrium  buoyant force=mg=LAρg

Q: Determine the minimum area of a sheet of ice that is 0.60 meter thick if it is to support a 300-kg…

A: Write the given values with suitable variables. t=0.6 mm=300 kgρi=920 kg/m3ρw=1020 kg/m3 Here, t, m,…

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: - What volume of air at atmospheric pressure of 1.01x 10$ N/ m² is needed to fill a 14.2-liter scuba…

A:

Q: A block of wood has density 0.45 gm/cm³ and mass 1,541 gm. It floats in a container of oil (the…

A: Volume of oil does the wood displace is  V = 1791.86 cm3

Q: Calculate the pressure on the top lid of a chest buried under 4.00 m of mud with density equal to…

A: Scenario - A chest is buried deep in river bed. Mud and water above it exerts pressure on top of its…

Q: Compared with an empty ship, would a ship loaded with a cargo of Styrofoam sink deeper into the…

A: A cargo of Styrofoam would sink deeper into the water when compared to an empty ship. An empty ship…

Q: Calculate the specific gravity of a piece of metal having a mass of 8.35 x 10-3 Kg which displaces…

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: 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: An object with a density of 591.0 kg/m and a mass of 787.0 kg is thrown into the ocean. Find the…

A:

Q: In both inspiration and expiration, a pressure difference of 0.4 cmH2O causes a flow of 0.15 L/s.…

A: The inhaling of oxygen and exhaling of carbon dioxide is vital to all living organisms. Inspiration…

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

A: At a depth of 10.3m, the pressure in the water equals the pressure in the atmosphere.

Q: A water vessel dives 120 meters below the water surface. How much pressure does its exterior surface…

A: Given:Water vessel depth, d = 120 meters Water density, = 1.03 g/cm3 Atmospheric pressure = 101,000…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!