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Phy 242
Your 'question form' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** Question Form_labelMessages **
Question on Practice Test
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Here is a question from a practice test:
For a gas, density is a function of pressure and temperature. Assuming that temperatures do not vary significantly, express Bernoulli's Equation in differential form, with density, pressure, velocity and altitude all variable. (Hint: Start with 'd('rho g h) + 'd(.5 'rho v^2) + 'dP= 0)
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I don't understand how to answer this question. To me, the hint is the answer. Please explain how to do this problem.
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How do I do this problem?
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What is the expression for `d( `rho g h) (i.e., what is the differential of the expression `rho g h)?
What is the expression for `d ( .5 `rho v^2)?
What therefore is the equation, in terms of `rho, g, h, v, P and their differentials?
You're welcome to submit your answers/thinking/additional questions.
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