The force on a small disk placed in the centre of a pipe with its plane perpendicular to the liquid flow is dependant on the velocity of the liquid in the pipe. The force is related to velocity as below
force= constant x (vellocity)2
p.s. the 2 is not digit its power of velocity-squared
If the velocity is to be found with maximum uncertainity of 1%, find maximum permissible uncertainity in measuring thr force
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