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The bar, a unit used for gas pressure, equals how many N m-2?
A10^5 N m-2
B10^3 N m-2
C10^7 N m-2
D10^2 N m-2
Answer & Solution
Correct answer: A. 10^5 N m-2
By definition one bar is 100000 pascal, that is 10^5 N m-2.
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