find the pressure given by 76cm of mercury density 13600 accerlration due to gravity 9.8
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Explanation:
pressure = force/ area
force = mass × acceleration
mass of mercury = 3.3×10²³ kg
force = 3.3× 9.8×10²³= 32.34 × 10²³N
area = 76cm² = 0.0076m²
pressure = 32.34 × 10²³× 10⁴/ 76
= 4.2×10²⁶ pascal
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