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Old Jun 20th 2017, 11:15 AM   #1
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Question Work done PV diagram

1. The problem statement, all variables and given/known data
A mass of gas occupying volume V1 = 2 m3 at the pressure P1 = 4*10^5 Pa performs the cycle represented in the Figure that i have uploaded.What is the work of gas in this cycle, knowing that the pressure P2 = 10^5 Pa

2. Relevant equations
Work=1/2 * (P1 - P2) * (V1 - V3)

3. The attempt at a solution
The work is the area within the triangle.
1/2 base * height
= 1/2 * (P1 - P2) * (V1 - V3)


The question that i have is how do i find V3?

SORRY FOR BAD ENGLISHHH
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Work done PV diagram-fizica.jpg  
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