Constant:
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Definition1:
A measureable
quantity which can assume one and only one value is known as constant.
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Definition2:
A quantity which does
not change in a problem is called constant.
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Examples:
1.
Value
of g = 9.8m / sec2
2.
Value
of
3.
Value
of e = 2.7183
A
constant is usually denoted by first letters of alphabets A,B,C,D etc.
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