In the SI system, Kilogram-meters per second are used. The formula for momentum is mv, where m is the mass and v is the velocity.
Sound is measured in Db ( Decibels) or Hz ( Hertz)
in area you are measuring the capacity. Volume has a 3 because it is lengthxwidthxhight area is only lengthxwidthImproved Answer:Because the perimeter is the outside measurements of a given area...
A centimetre should do. Unless you want high precision, in which case go for millimetres.
most likely you would measure that in feet, yards, or meters, but you are able to measure anything with any unit...