Assertion (A) : Speed is a scalar physical quantity[ b] Reason (R) : Speed does not follow vector law of addition a) Both A and R are correct and R is the correct explanation of A b) Both A and R are correct but R is not the correct explanation of A c) A is correct, R is incorrect d) A is incorrect, R is correct
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both a and r are correct and r is the correct explanation of A
speed is a scalar quality so it does not follow the vector rules of addition
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But I need explanation sir