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प्रश्न
Distinguish between speed and velocity.
टीपा लिहा
उत्तर
Speed is a scalar quantity, while velocity is a vector quantity. The speed is always positive-it is the magnitude of velocity, but the velocity is given a positive or negative sign depending upon its direction of motion. The average velocity can be zero but the average speed is never zero.
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Distinguish Between Speed and Velocity
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