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
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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
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