finding W

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Peter Nguyen 2I
Posts: 61
Joined: Fri Sep 28, 2018 12:29 am

finding W

Postby Peter Nguyen 2I » Sun Feb 03, 2019 5:51 pm

Is the integral formula equivalent to -P(V2-V1)? can you use both to find -P delta V?

Michelle Wang 4I
Posts: 63
Joined: Fri Sep 28, 2018 12:27 am

Re: finding W

Postby Michelle Wang 4I » Sun Feb 03, 2019 5:54 pm

Yes they are the same and I think you can use both interchangeably.

Diviya Khullar 1G
Posts: 59
Joined: Fri Sep 28, 2018 12:19 am

Re: finding W

Postby Diviya Khullar 1G » Sun Feb 03, 2019 6:07 pm

Yes -P(V2-V1 is what you get when you solve

Eric Quach 1C
Posts: 30
Joined: Fri Sep 28, 2018 12:20 am

Re: finding W

Postby Eric Quach 1C » Sun Feb 03, 2019 7:07 pm

Yep the formulas give the same answer. I think Dr.Lavelle was just using the integral to show how the P delta V formula was derived.

Kavvya Gupta 1H
Posts: 35
Joined: Fri Sep 28, 2018 12:21 am

Re: finding W

Postby Kavvya Gupta 1H » Sun Feb 03, 2019 7:12 pm

the two equations mean the same thing just written in different ways

George Ghaly 2L
Posts: 66
Joined: Fri Sep 28, 2018 12:29 am
Been upvoted: 1 time

Re: finding W

Postby George Ghaly 2L » Sun Feb 03, 2019 8:51 pm

Yes, the integral just implies that a very small volume is being changed at every instant therefore it all can be summed up with an integral, while if the change of volume is large and sudden ten delta v can just be used.

Christopher Anisi 2K
Posts: 30
Joined: Fri Sep 28, 2018 12:21 am

Re: finding W

Postby Christopher Anisi 2K » Sun Feb 03, 2019 9:08 pm

The equations are the same, Dr. Lavelle wanted to utilize the integral to derive where P (delta V) came from showing that the sum of a small change in volume is equivalent to the integral.


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