Dear student,1cm of Hg=1333 22N/m2so 75cm of Hg = 1333 22 × 75 =99991 5N/m2≈1×105N/m2Regards

Q13 pls solve fast

D e a r s t u d e n t, 1 c m o f H g = 1333.22 N / m^{2} s o 75 c m o f H g = 1333.22 \times 75 = 99991.5 N / m^{2} \approx 1 \times 10^{5} N / m^{2} R e g a r d s

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