A quantity is measured to be 30ms is it speed or velocity ?give reason for your answer
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Answer: The basic difference between Speed and Velocity is that the speed is a scalar quantity whereas velocity is a vector quantity. ... Therefore, if the quantity is measured or expressed as '-30 m/s', then the negative symbol is an indicator of a motion which is opposite to the direction of the force applied.
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Answer:
30m/s can be both speed as well as velocity because they both can be positive and same when the object is travelling in straight path without changing the direction.
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