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प्रश्न
What is the Differnece between speed and velocity ?
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उत्तर
(i) Speed is a scalar quantity, whereas velocity is a vector quantity.
(ii) Speed of a body is the distance travelled by it per unit time, whereas the velocity of a body is the distance travelled by it per unit time in a given direction.
(iii) Speed is always positive, while velocity can be both positive and negative, depending upon the direction.
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संबंधित प्रश्न
What is the SI unit of retardation ?
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