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Can you graphically represent a vector which has magnitude but no direction?
If a quantity does not have a direction, its a scalar quantity, not a vector quantity.
What is done to a variable represent an unknown quanity?
A variable is assigned to represent an unknown quantity.
What is a symbol used to represent a quantity that can change called?
It is called a variable.
What is the reason and importance of using letters in algebraic problems?
The relevance of the letters is that they represent either an unknown quantity, or that they can stand for ANY quantity.
Does the horizontal axis of a line chart represent variable quantity?
No, it could be a qualitative variable.
Which quantity of heat does a kilocalorie represent?
1000 calories
How do you work out the quantity of heat?
by dividing the quantity of heat of a substance by the mass of that substance
Can you graphically represent a vector which has magnitude but no direction?
If a quantity does not have a direction, its a scalar quantity, not a vector quantity.
What does the quantity 1.9831x2500 represent?
It is 4957.75
What Expressions that use a letter to represent and unknown quantity?
An algebraic expression uses a letter to represent an unknown quantity.
What is done to a variable to represent unknown quantity?
A variable is usually assumed to represent an unknown quantity. You don't need to "do" anything special to your variable.
What is done to variable to represent an unknown quantity?
A variable is usually assumed to represent an unknown quantity. You don't need to "do" anything special to your variable.
What happens when your kilojoule intake is greater than your kilojoule output?
you gain weight
Which physical quantity does pascal represent?
pressure
Is a value a number that represents a quantity or an amount?
Yes, a value can represent a quantity or amount.
Is heat transfer a scalar quantity or vector quantity?
A vector
What quantity do units represent in a value?
they show the magnitude
