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What quantity and unit does the abbreviation K represent?
Quantity K is metric for 1000. For units, it can also refer to Kelvin temperature. It can also refer to Kinetic energy.
A fraction whose numerator and denominator represent the same quantity but use different units?
A unit conversion ratio
Why is the fundamental value of a quantity not changed when the quantity is multiplied by a conversion factor?
the conversion factor merely changes the number in such a way that it fits the new units the physical quantity is not changed
What are the two parts of measurements?
The quantity (magnitude, numrical value) and the units (eg inch, metre, light year)
What is done to a variable to represent a unknown quality?
Nothing specifically is "done" to the variable; variables are generally used to represent either:* A quantity that is initially unknown (and should be solved for), or * A quantity that can be anything - to analyze what happens no matter what a certain value is.
What quantity do units represent in a value?
they show the magnitude
Is a value a number that represents a quantity or an amount?
Yes, a value can represent a quantity or amount.
Numbers?
A number is an arithmetic value used to represent quantity.
What is the value of a conversion factor ratio?
A ratio that's used to convert units always has the value of ' 1 ' with no units. If it were anything different, then you could not multiply it or divide it by any quantity without changing the value of the quantity, which is a basic no-no.
What quantity and unit does the abbreviation K represent?
Quantity K is metric for 1000. For units, it can also refer to Kelvin temperature. It can also refer to Kinetic energy.
A fraction whose numerator and denominator represent the same quantity but use different units?
A unit conversion ratio
Why is the fundamental value of a quantity not changed when the quantity is multiplied by a conversion factor?
the conversion factor merely changes the number in such a way that it fits the new units the physical quantity is not changed
Is 4.11 a measurement in inches?
It could be but not necessarily. It is just a value and could represent that quantity of anything.
What are the two parts of a measurements?
-the quantity (magnitude,numerical value). -the units (in inch,meter,light year).
What are the two parts of measurements?
The quantity (magnitude, numrical value) and the units (eg inch, metre, light year)
Is a variable used to represent a quantity whose value may change or vary?
Yes. Although it can also be used for constants whose value is not yet known.
What is done to a variable to represent a unknown quality?
Nothing specifically is "done" to the variable; variables are generally used to represent either:* A quantity that is initially unknown (and should be solved for), or * A quantity that can be anything - to analyze what happens no matter what a certain value is.
