Why does mass equal density times volume?

Why does mass equal density times volume?
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When a piece of stone is immersed in water, it displaces water of equal – (1) Density (2) Specific gravity (3) Mass (4) Volume

Description : When a piece of stone is immersed in water, it displaces water of equal – (1) Density (2) Specific gravity (3) Mass (4) Volume

Last Answer : (3) Mass Explanation: Archimedes' Principle states that upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid the body displaces.

Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Description : Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass

Last Answer : (1) equal volume Explanation: When a body is placed in water, the upthrust or buoyant force acting on it depends upon the following factors: (1) Volume of the body submerged in the liquid - (V), or volume of ... (V); (ft) Density of the liquid - (d); and (Hi) Acceleration due to gravity In-line.

When a piece of stone is immersed in water, it displaces water of equal (1) Density (2) Specific gravity (3) Mass (4) Volume

Description : When a piece of stone is immersed in water, it displaces water of equal (1) Density (2) Specific gravity (3) Mass (4) Volume

Last Answer : Mass

Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have (1) equal volume (2) equal weight (3) equal density (4) equal mass

Description : Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have (1) equal volume (2) equal weight (3) equal density (4) equal mass

Last Answer : equal volume

How to find Mass from density and volume?

Description : How to find Mass from density and volume?

Last Answer : Here

Lin an experiment to determine the volume of an object, mass and density are recorded as m = (5 ± 0.15) kg and p = (5 ± 0.2) kg m^3 respectively.

Description : Lin an experiment to determine the volume of an object, mass and density are recorded as m = (5 ± 0.15) kg and p = (5 ± 0.2) kg m^3 respectively.

Last Answer : Lin an experiment to determine the volume of an object, mass and density are recorded as ... Calculate percentage error in the measurement of volume.

If a piece of rock has a volume of 0.73 L and a mass of 1524 g what is the density of the rock in gmL?

Description : If a piece of rock has a volume of 0.73 L and a mass of 1524 g what is the density of the rock in gmL?

Last Answer : The density is 2,09 g/cm3.

What would a object with a 22.6 density and 15.1 volume be in mass?

Description : What would a object with a 22.6 density and 15.1 volume be in mass?

Last Answer : It would be 341.26 units of mass.

What is the density of a metal block that has a mass of g and a volume of cm?

Description : What is the density of a metal block that has a mass of g and a volume of cm?

Last Answer : Density = g / CmAssuming g is in a unit of mass, and Cm is in a unit of volume,If these are not the units of the quantities given then the resultwill not be density, instead it will be gibberish! The units of thequantities going into an equation are more important than thevalues.

A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : (4) They must be dropped in vacuum Explanation: When a piece of paper and a cricket ball are dropped from the same height, they reach the surface at different time because the shape of the paper ... occurring on them and this leads to a conclusion that both the article reaches at the same time.

A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : (4) They must be dropped in vacuum Explanation: When a piece of paper and a cricket ball are dropped from the same height, they reach the surface at different time because the shape of the paper ... occurring on them and this leads to a conclusion that both the article reaches at the same time.

The amount of matter in a ball of steel is its – (1) Weight (2) Mass (3) Density (4) Volume

Description : The amount of matter in a ball of steel is its – (1) Weight (2) Mass (3) Density (4) Volume

Last Answer : (2) Mass Explanation: In simple terms, mass is the amount of matter in an object, and is measured in grams. Under normal circumstances, and as long as it remains intact, an object will always have the same mass, i.e. there will always be the same amount of matter in it.

Heat flows as a result of difference of (1) Temperature (2) Density (3) mass (4) Volume

Description : Heat flows as a result of difference of (1) Temperature (2) Density (3) mass (4) Volume

Last Answer : (1) Temperature Explanation: Heat flow moves energy from a higher temperature to a lower temperature. The bigger the difference in temperature between two objects, the faster heat flows between them.

The boiling point of water depends upon the – (1) atmospheric pressure (2) volume (3) density (4) mass

Description : The boiling point of water depends upon the – (1) atmospheric pressure (2) volume (3) density (4) mass

Last Answer : (1) atmospheric pressure Explanation: The boiling point corresponds of water to the ternperature at which its vapour pressure equals the surrounding environmental pressure. So it is dependent on ... pressure decreases. As this pressure decreases, the boiling point of the water also decreases.

Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Description : Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) (A) m/ρ . Vp (B) m . ρ/Vp (C) m . Vp /ρ (D) Vp /m . ρ

Last Answer : (A) m/ρ . Vp

Concentration of matter in a material is A. volume B. mass C. density D. weight

Description : Concentration of matter in a material is A. volume B. mass C. density D. weight

Last Answer : density

A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is (A) d(VCA )/dt = -F (CAF - CA ) - kCA 2V (B) d(VCA )/dt = F (CAF - CA ) - kCA 2V (C) d(VCA )/dt = -FCA - kCA 2V (D) d(VCA )/dt = FCAF - kCA 2V

Description : A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume ... 2V (C) d(VCA )/dt = -FCA - kCA 2V (D) d(VCA )/dt = FCAF - kCA 2V

Last Answer : (D) d(VCA )/dt = FCAF - kCA 2V

The weight per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these

Description : The weight per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these

Last Answer : Answer: Option A

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its (A) Specific weight (B) Specific mass (C) Specific gravity (D) Specific density

Description : If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its (A) Specific weight (B) Specific mass (C) Specific gravity (D) Specific density

Last Answer : Answer: Option C

The mass per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these

Description : The mass per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these

Last Answer : Answer: Option B

_______ of a body means the force of the gravity Fg on the body  a. Mass  b. Weight  c. Density  d. Volume

Description : _______ of a body means the force of the gravity Fg on the body  a. Mass  b. Weight  c. Density  d. Volume

Last Answer : Weight

______ of a Body is the absolute quantity of a matter in it.  a. Mass  b. Weight  c. Density  d. Volume

Description : ______ of a Body is the absolute quantity of a matter in it.  a. Mass  b. Weight  c. Density  d. Volume

Last Answer : Mass

Mass (not weight) per unit volume  a. Specific Weight  b. Specific Volume  c. Density  d. None of the above

Description : Mass (not weight) per unit volume  a. Specific Weight  b. Specific Volume  c. Density  d. None of the above

Last Answer : Density

Which is NOT an extensive property of thermodynamics?  A. Density  B. Mass  C. Volume  D. Energy

Description : Which is NOT an extensive property of thermodynamics?  A. Density  B. Mass  C. Volume  D. Energy

Last Answer : Density

Energy stored per unit volume inside the solenoid is called: a. Energy density b. Charge Density c. Mass density d. Volume charge density

Description : Energy stored per unit volume inside the solenoid is called: a. Energy density b. Charge Density c. Mass density d. Volume charge density

Last Answer : energy density is correct

The dry density of soil is a) Always greater than the saturated density b) Weight of soil solids per unit of total volume prior to drying* c) Total weight of soil solids per unit of its total volume d) Total weight of soil mass per unit of its total volume

Description : The dry density of soil is a) Always greater than the saturated density b) Weight of soil solids per unit of total volume prior to drying* c) Total weight of soil solids per unit of its total volume d) Total weight of soil mass per unit of its total volume

Last Answer : b) Weight of soil solids per unit of total volume prior to drying*

The boiling point of water depends upon the (1) atmospheric pressure (2) volume (3) density (4) mass

Description : The boiling point of water depends upon the (1) atmospheric pressure (2) volume (3) density (4) mass

Last Answer : atmospheric pressure

The amount of matter in a ball of steel is its : (1) Weight (2) Mass (3) Density (4) Volume

Description : The amount of matter in a ball of steel is its : (1) Weight (2) Mass (3) Density (4) Volume

Last Answer : Mass

A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : They must be dropped in vacuum

A boat will submerge when it displaces water equal to its own: (1) volume (2) weight (3) surface area (4) density

Description : A boat will submerge when it displaces water equal to its own: (1) volume (2) weight (3) surface area (4) density

Last Answer : (2) weight Explanation: A boat will float when the weight of the water it displaces equals the weight of the boat and anything will float if it is shaped to displace its own weight of water before ... a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.

Which of the following correctly states Gauss law? a) Electric flux is equal to charge b) Electric flux per unit volume is equal to charge c) Electric field is equal to charge density d) Electric flux per unit volume is equal to volume charge density

Description : Which of the following correctly states Gauss law? a) Electric flux is equal to charge b) Electric flux per unit volume is equal to charge c) Electric field is equal to charge density d) Electric flux per unit volume is equal to volume charge density

Last Answer : d) Electric flux per unit volume is equal to volume charge density

Specific volume of an ideal gas is (A) Equal to its density (B) The reciprocal of its density (C) Proportional to pressure (D) None of these

Description : Specific volume of an ideal gas is (A) Equal to its density (B) The reciprocal of its density (C) Proportional to pressure (D) None of these

Last Answer : (B) The reciprocal of its density

A boat will submerge when it displaces water equal to its own: (1) volume (2) weight (3) surface area (4) density

Description : A boat will submerge when it displaces water equal to its own: (1) volume (2) weight (3) surface area (4) density

Last Answer : weight

Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement: (a) all cubes weigh equal (b) cube with minimum density weighs minimum (c) cube with minimum density weighs maximum (d) the mass of all cubes will be the same

Description : Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement: (a) all cubes weigh equal (b) cube with minimum density weighs minimum (c) cube with minimum density weighs maximum (d) the mass of all cubes will be the same

Last Answer : Ans:(b)

The mass density of Kerosene is: (1) more than water (2) equal to water (3) Less than water (4) None of the above

Description : The mass density of Kerosene is: (1) more than water (2) equal to water (3) Less than water (4) None of the above

Last Answer : (3) Less than water Explanation: Kerosene is lighter than water in terms of density. Density of kerosene is 820 kg /m3, means if you take 1000 liters of kerosene it would weight 820 kg. Whereas density of water is 1000 kg /m3 means if you take 1000 liters of water it would weight 1000 kg.

Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for (A) Cube (B) Cylinder (C) Sphere (D) Equal for all the three

Description : Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil ... (A) Cube (B) Cylinder (C) Sphere (D) Equal for all the three

Last Answer : (A) Cube

If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are (A) 1.0 and 0.0 (B) 0.0 and 1.0 (C) 0.5 and 1.0 (D) 1.0 and 0.5

Description : If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are (A) 1.0 and 0.0 (B) 0.0 and 1.0 (C) 0.5 and 1.0 (D) 1.0 and 0.5

Last Answer : (C) 0.5 and 1.0

If the back fill is having a uniform surcharge of intensity per unit area, the lateral pressure will be (A) q times the lateral pressure within the surface (B) 1/q times the lateral pressure within the surface (C) Equal to a fill of height Z equal to q/r, where r is the density of the backfill (D) None of these

Description : If the back fill is having a uniform surcharge of intensity per unit area, the lateral pressure will be (A) q times the lateral pressure within the surface (B) 1/q times the lateral pressure within the surface ... of height Z equal to q/r, where r is the density of the backfill (D) None of these

Last Answer : Answer: Option C

Pick out the wrong statement. (A) Heat transfer by radiation cannot occur across an absolute volume (B) In case of a shell and tube heat exchanger, the pressure drop through the shell is proportional to the number of times the fluid crosses the bundle between baffles (C) Propagation velocity for travel of heat radiation through vacuum is equal to the velocity of the light (D) The amount of heat involved in the condensation or vaporisation of 1 kg of a fluid is the same

Description : Pick out the wrong statement. (A) Heat transfer by radiation cannot occur across an absolute volume (B) In case of a shell and tube heat exchanger, the pressure drop through the shell is ... The amount of heat involved in the condensation or vaporisation of 1 kg of a fluid is the same

Last Answer : (A) Heat transfer by radiation cannot occur across an absolute volume

For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to 1/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. (A) 8 (B) 16 (C) 1/8 (D) 1/16

Description : For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to 1/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. (A) 8 (B) 16 (C) 1/8 (D) 1/16

Last Answer : (B) 16

If a rock weighing 2200 N is dropped from a height of 15 m what is its KE just before it hits the ground Remember weight is measured in newtons (N) and is equal to mass times gravity.?

Description : If a rock weighing 2200 N is dropped from a height of 15 m what is its KE just before it hits the ground Remember weight is measured in newtons (N) and is equal to mass times gravity.?

Last Answer : 33,000 J

Calculate damped natural frequency, if a spring mass damper system is subjected to periodic disturbing force of 30 N. Damping coefficient is equal to 0.76 times of critical damping coefficient and undamped natural frequency is 5 rad/sec A. 3.99 rad/sec B. 2.13 rad/sec C. 4.12 rad/sec D. 3.24 rad/sec

Description : Calculate damped natural frequency, if a spring mass damper system is subjected to periodic disturbing force of 30 N. Damping coefficient is equal to 0.76 times of critical damping coefficient and undamped natural frequency is 5 rad/sec A. 3.99 rad/sec B. 2.13 rad/sec C. 4.12 rad/sec D. 3.24 rad/sec

Last Answer : D. 3.24 rad/sec

If a material object moves with the speed of light ‘c’ its mass becomes a) equal to its rest mass b) Four times of its rest mass c) Double of its rest mass d) Infinite

Description : If a material object moves with the speed of light ‘c’ its mass becomes a) equal to its rest mass b) Four times of its rest mass c) Double of its rest mass d) Infinite

Last Answer : d) Infinite