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Hello, I guess this is something of a fluid dynamics problem. I'm having some trouble understanding non-backpressure compensated variable orifice flowmeters (NBPCVOF) used with medical gas tanks. Regarding a non-backpressure compensated flowmeter, I'm being told that adding partial...

Have you drawn a diagram yet? I think if you did, it would be very helpful. Also, have you covered frames of reference?

Thanks!

[SOLVED] A Simple Question on Notation Homework Statement For this, P=rho "A ball of density Pb (with Pb << Pa) and..." What does the "<<" symbol indicate? I have never seen this notation before. Thanks, Janvier