Question

find the value of 10 mm of HG in Pascal. density of HG =13.6 × 10³ kg/m³ and g=9.8 m/s²​

Answer 1

We have to find the value of 10 mm Hg in Pascal where density of Hg, ρ = 13.6 × 10³ kg/m³ and g = 9.8 m/s².

solution : using formula, P = ρgh

= 13.6 × 10³ kg/m³ × 9.8 m/s² × 10 mm

= 13.6 × 10³ × 9.8 × 10 × 10¯³ N/m²

= 13.6 × 9.8 N/m²

= 133.28 N/m²

we know, 1 N/m² = 1 Pascal

so, P = 133.28 Pascal

Therefore the value of 10mm Hg in Pascal is 133.28

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