Thermodynamic processes

Classical Mechanics Level 4

Figure shows the V T VT diagram for helium gas in a cyclic process. Process A B AB is V T = c o n s t a n t VT=constant and process B C BC is T V 2 = c o n s t a n t TV^{2}=constant .

Find the ratio of maximum and minimum pressure.


The answer is 8.00.

Tanishq Varshney by Tanishq Varshney , 23, India

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2 solutions

Andrew Song
Sep 9, 2015

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Aryan Goyat
Mar 20, 2016

just look at graph taking T as vertical axis and find the ratio of maximum and minimum slope.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

could you elaborate which slopes are you talking about?

Ayush Agarwal - 5 years, 2 months ago

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just Temperature vs volume graph slope.

aryan goyat - 5 years, 2 months ago

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oh! got it.Well! that was nice and easy. Have you tried this one? https://brilliant.org/problems/maximum-trajectory-length/ how to find length of the parabolic arc?

Ayush Agarwal - 5 years, 2 months ago

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