what are scalar and vector quantities? examples. how we can specify magnitude and direction ?

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Subbiah Thiagarajan

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scalars have only magnitude, vectors have both magnitude and direction. Height of a man only magnitude, but weight both magnitude and direction.
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CAT, GMAT, GRE, SAT Quants Trainer with more than 20 years' experience

Scalar quantities have only magnitude and no direction. Example: speed Vector quantities have both magnitude and direction. Example:velocity For speed, say, 40 kmph is enough information. But, for velocity, we need to specify the direction as well, like, 40 kmph towards east.
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Science Field

Scalar quantities are those which have a magnitude where as vector quantities have magnitude and directions.
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Mathematics Tutor

The quantities that have only magnitude are scalars. Example, mass, voltage. And that have both magnitude and direction are vectors. Example, weight, charge. A train from Chennai(A) to Mangalore(B) at a speed of 150km/hr is denoted as AB(vector)=150i and the return journey at the speed of 120km/hr is...
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The quantities that have only magnitude are scalars. Example, mass, voltage. And that have both magnitude and direction are vectors. Example, weight, charge. A train from Chennai(A) to Mangalore(B) at a speed of 150km/hr is denoted as AB(vector)=150i and the return journey at the speed of 120km/hr is AB(vector)=-120i or BA(vector)=120i. Here i is the direction, the journey from Chennai to Mangalore. read less
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Suppose somebody asks you how far is your school from your home.your answer is 5kms.That's right ,it denotes the distance of your home from school.But is it enough for someone to know to reach your house from school, no direction is also needed.then you say 5kms in south.distance with direction is called...
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Suppose somebody asks you how far is your school from your home.your answer is 5kms.That's right ,it denotes the distance of your home from school.But is it enough for someone to know to reach your house from school, no direction is also needed.then you say 5kms in south.distance with direction is called displacement,and displacement is a vector quantity while distance is a scalar quantity. read less
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singla

scalar have only magnitute but not direction and vector have both
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Trainer

Scalars are quantities having magnitude only. eg 3 km Vectors are quantities having both magnitude(value) and direction eg: 3 km towards north
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Maths Tutor

Scalar Quantities have magnitude and Vector quantities have both magnitude and Direction . Scalar quantities are Mass , Volume and Vector quantities are Speed , Velocity , Displacement etc
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Tutor

scalar quantity has only magnitude but not the direction, whereas vector quantity has both magnitude and direction. The direction in vector quantity is denoted by an arrow above notation. Magnitude is indicated by the units
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What is ment by vectors?give example
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