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¿QUE ES LA DENSIDAD?⚡fácil y sencillo con ejemplos | Lagartija's vlogs | YouTubeToText
YouTube Transcript: ¿QUE ES LA DENSIDAD?⚡fácil y sencillo con ejemplos
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Video Transcript
today we will talk about density we start
today we will talk about density but to start I want to tell you about this incredible adventure there was a
greek philosopher named archimedes who supposedly was given a very
difficult task to perform the task was to determine if the king's crown was made
of pure gold or if it was mixed with other materials and while he was taking a shower
archimedes archimedes have such strange names well he realized that he could
calculate the volume of the crown by immersing it in water and measuring the displacement
of liquid also this way he would not have that break or melt the crown
that's right Archimedes has very brilliant ideas I wonder how his mother would speak to the chemist with affection
well the chemist came up with the idea that he could weigh the crown now having its mass and knowing
the volume he could determine the density of the material that made up the crown so
to talk about density we have to know two more basic concepts a and volume mass is the
amount of matter contained in a body and its unit of measure is kilograms and volume is
the space that a body occupies is also in three dimensions length width and height and its unit
of measure can be cubic meters or meters liters and having these two basic concepts, we are going
to see what density is, density, size and scalar that indicates the amount of mass per
unit of volume in a substance and its unit of measurement is kilograms between cubic meters, it
is usually represented by the red symbol that is this is that it presents you with a
density formula and as always you can apply the triangle technique in case you are asked density, mass
or volume, variations in temperature and pressure affect the measurement of the
density of a substance but let's see an example a body of 400 kilograms occupies a volume of
0.2 cubic meters what is its density you can pause the screen if you want to solve it and if not
let's see the solution step number 1 obtain all the data step number 2 let's see the formula step number
3 we must substitute therefore density will be equal to 400 kilograms divided by 0.2 cubic meters
and in this way we obtain the result of two thousand kilograms divided by cubic meters too
simple right I hope this little video is helpful, do not forget to subscribe, share
and give me a good like and remember dreams big dreams because everything is possible for those who believe
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