Question

the porter put a box on a round cloth of area 200cm² over his head. the pressure exerted by the box is 0.25 of N/cm² .if the porter increase the area of round cloth to 300cm².what will be the reduced pressure of his head​

Answer 1

Answer:

By using Boyles law

P1V1 = P2V2

0.25×200= P2×300

50/300 = P2

5/30= P2

P2= 1/6

P2= 0.16 ATM