Problem 4A 3

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ckilkeary 2G
Posts: 68
Joined: Fri Aug 09, 2019 12:16 am

Problem 4A 3

Postby ckilkeary 2G » Sun Feb 02, 2020 7:59 pm

How do we find deltaV when figuring out this problem? I'm not sure how to get deltaV from knowing that the inner diameter of the pump is 3.0 cm and the pump is depressed 20. cm. I'm trying to get deltaV so I can plug it into w=Pex*deltaV

Michael Du 1E
Posts: 117
Joined: Sun Sep 22, 2019 12:16 am

Re: Problem 4A 3

Postby Michael Du 1E » Sun Feb 02, 2020 8:00 pm

Since the diameter is given, we know the radius. Delta V also equals Area x distance so you can simply plug in the radius into the Area equation times the distance (20).

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