Write the dimensions of a and b in the relation P=b-x2/at where P is power, x is distance and t is time.

The given relation is

  • 149

 Hi,

Pat=b-x2

Since b is subtracted from L2 therefore b should also have dimension L2 bcoz we can only +or- quantities of same dimensions.

Pat=L2

[ML2T-3][T]a=L2

so, a=M-1T2 

Thank you.

  • 14
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