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How would you determine the value of an object if you we're given its mass and density?
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What is the density of an object that has a mass of 20 g and a volume given in ml?
You do not give a value for the volume. Density is worked out by the following expression: density = mass/volume Your units will be g per ml
What is the relation between density and hardness?
density has to do with the molecular structure and molecular mass. hardness is the compacting value of the molecules inside the object. PREFFERABLY PLUTONIUN!!
What is the effect of buoyancy to the object?
The effect of buoyancy is to reduce the apparent weight of the object when it's introduced into a fluid. Depending on the density of the object compared to the density of the fluid, the object's apparent weight could be reduced to zero (beach ball floating in the pool), or even to a negative value (helium party balloon heading for the sky).
What is average density and what benefits does it have?
Hi there Density is the ratio of an object's mass divided by its volume. Relative density is the ratio of density of a substance to the density of water, which is 1kg/1 is the density of pure water.
What are the application of kirchhoff's laws?
-determine the direction and value of current -determine the potential difference -determine the value of resistance
How can you use the calculated value for density to determine whether an object is gold?
divide the objects mass by its volume.
What is the density of an object that has a mass of 20 g and a volume given in ml?
You do not give a value for the volume. Density is worked out by the following expression: density = mass/volume Your units will be g per ml
Why would you want to find volume of any object?
If you want to determine the density of an object, you would measure the mass and volume, then divide mass/volume to determine density. This can help determine the composition of the object. For example, if you find a rock that looks like a gold nugget. The density of gold is a known value, so one of the tests in determining if you are holding real gold would be to determine the density of your rock. This is one example. Another (maybe more 'real world' for you). Shipping and cargo companies measure the volume of packages as they go by on the conveyor belt, so that they can figure how many will fit in a particular truck.
Why is the value determined for the metal density likely to have a larger relative error than the value deterimined for the liquid density?
Density means how close the particles are. You can determine that by doing an experiment. Try it!
What mistake did Andrew make in calculating density?
Andrew made a mistake in calculating density by not properly measuring the volume of the object. Density is calculated by dividing the mass of an object by its volume, and if the volume is incorrect, it will lead to an inaccurate density value.
What is the density of an object that's mass is 100g and a volume of 50 mL answer and work?
density = mass/volume = 100g/50mL = 2g/mL
When comparing the density of a solid or a liquid to the density of water what is the ratio called?
Some folks in the lab call it "spee gee" which is slang for specific gravity (SG). It's relative density, the density of liquid - or any given substance - to the density of water. Surf the link. The formula for density is D= Mass/Volume.
How is the density of an object in kgl related to its density in gml?
If kgl is kg/L and gml is g/mL these densities are equal.
What is the relation between density and hardness?
density has to do with the molecular structure and molecular mass. hardness is the compacting value of the molecules inside the object. PREFFERABLY PLUTONIUN!!
When substance change forms what happens to the density?
The value of the real density is not changed, when, for example a metal plate is transformed in wire or a marble object is broken.
What are the Factors that determine resistance value of electrical material?
The factors that determine resistance are thickness, length, temperature, and the conductivity of the resistance of an object
What is the density of petrol?
737.22 kg/m^3 The density depends on a whole range of factors including purity and Temperature. Use the above as a guide though but in situations where the value of density is critical, take a sample to the lab for them to determine the correct value.
