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What advantages did the Romans find in using a cross vault instead of a barrel vault?
A cylinder does not have area, since it is a three dimensional object. Instead, it is usually described as having volume,
If you consider a cylinder, it has two faces, of you consider a cone instead, it has one face ONLY.
If we're talking in purely geometric terms: If the edges of a prism/cylinder make a right angle with the base, it is called a right prism/cylinder. If not, it is an oblique prism/cylinder...it will look as if it were slanting to one side instead of standing straight. Similarly, if the top vertex of a pyramid/cone is directly above the center of the base, it is a right pyramid/cone. Otherwise, it is an oblique pyramid/cone. Again, it will look a bit askew.
If you are dealing with something microscopic, you dont want to say that it is say 0.000005 metres in size, it looks messy. Instead you can say 5 microns (micrometres) This is good for the likes of cell sizes
graduated cylinder
use a graduated cylinder with the lowest capacity (greater than 26ml) if extreme accuracy is needed, (as I suspect with the small amount stated) I might use a scale, measuring by weight instead of volume (dropper may be needed to add to weight needed).... but you must adjust weight according to specific gravity or the only accurate liquid measured by 25.3 grams weight would be WATER :P
It depends on the smallest unit. For a 10mL graduated cylinder, the smallest unit is usually 0.1mL while a 100mL graduated cylinder is usually 1mL. Therefore: 10mL= (0.1mL/2) is an uncertainty of 0.05mL 100mL=(1mL/2) is an uncertainty of 0.5 mL Another way to think of it is that there are ten 10mL cylinders in an 100mL cylinder, so the 100mL cylinder has an uncertainty of ten times the 10mL. Hope this helped!
If all volume measurements were taken with a graduated cylinder instead of a pipet, the measurements would not be accurate. If something requires a pipet to be measured, it is a very small amount and a graduated cylinder would not be the proper measurement device.
A Volumetric Pipette is the most accurate and used for titration calculations, if you include that as a type of pipette then it is FAR more accurate than a graduated cylinder. A beaker is very inaccurate so don't even go there.
Rocks, if they have not been carved, generally have an irregular shape. It would therefore not be practical to try to measure their dimensions and perform geometrical calculations to get the volume. Instead, you can place the rock inside a graduated cylinder that has water in it, and observe how much water is displaced. That will equal the volume of the rock. Of course, if the rock is very large, you would have difficulty getting a graduated cylinder that is large enough, but if it was really necessary to learn the volume of the rock, you could custom build a container that would serve as an extra large graduated cylinder.
The smallest grad cylinder I have ever personally seen was 10 mL, and that's the smallest size that's readily commercially available (if you're willing to spend the money, one of the custom glassblowing supply companies would probably make you one of any size you wanted). For smaller amounts, though, (and approximately the same level of precision), a graduated pipette is usually used instead.
Use a weight scale. Water weighs 8.34 pounds per gallon. Therefore 10 gallons weighs 83.40 pounds
Plies graduated in a degree for nursing..But he did not follow through with that plan...He became a rapper instead of a nurse...So he is not a nurse. He just graduated with a degree for it.
What advantages did the Romans find in using a cross vault instead of a barrel vault?
What 3 advantages of using corn-based plastics instead of oil-based plastics?
Use a solvent which do not dissolve the solute. For example, if you want to determine the density of sugar, and sugar, as we all know, is soluble in water. So, instead of water we can substitute it with oil.