Question 28: air pressure in a bubble...? (1 Viewer)

danielle93

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Does anyone remember what they wrote for "write an equation relating P, V and A, where A is a constant"

I think mine was like P=V x A

And i used it to find A = 1.5

Does anyone know if this was right? What did you guys have?
 

2011_

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mine was P= a / v also. They just tried to trick people by saying a rather than k.
 
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MichelleV

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I got P=a/v as well.

It was divided because it varied inversely, not directly. A lot of people at my school skipped the inverse chapters in class and assumed it was direct variation :/
 

2011_

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I don't remember what I wrote, but I think I would have got 6, and used almost identical working to MichelleV.
 

sheeshkaba

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Thank God.
I got P=a/v
A=6.
I was seriously stressing about that question. :)
 

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