Question

calculate pressure exerted by 0.8m vertical length of alcohol of density 0.80gcm raise power -3in SI units Ans is 6400Pa​

Answer 1

Answer:

Explanation:

Pressure = Force / Area

= mg / A

= (V × d × g) / A ………[∵ Mass = Volume × Density]

= (A × L × d × g) / A …………[∵ Volume = Area × Length]

= Ldg

= 80 cm × 0.8 g/cm³ × 980 cm/s²

= 62720 g/(cm s²)

= 62720 × 10⁻³ kg / (10⁻² m s²)

= 6272 kg / (m s²)

= 6272 Pa

Pressure exerted is 6272 P

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