Suppose that two quantities A and B have different dimensions. Determine which of the the following arithmetic operations could be physically meaningful?
A. A+B B. B-A C.A-B D.A/B
1
Expert's answer
2013-02-01T09:19:47-0500
You cannot add or subtract quantities of different dimension. So, the right answer is only D: A/B. Answer: D: A/B .
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Comments
Dear Anonymous, because You cannot add or subtract quantities of different dimension
Why is it A / B ?
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