can someone explain why P is a function if time only for this question
can someone explain why P is a function if time only for this question
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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can someone explain why P is a function if time only for this question

Transcribed Image Text:A9)
O
pria
(I us
x, y or
function of tomly - does not depend
so general Continuity equation.
T
becomes
of + Z₁ (pq ) = 0
C
at
z
de +p D. q
dit
At Jp
dt
= 0
ned + heu + ned + Jp
хе
So, we are left with
i-e.
py pz
6/
=0 sore a ID problem.
dp + p du
de
dt
dx
(1)

Transcribed Image Text:C૧)
A
moving
piston compresser gus in
cylinder by
at consfont speed V, as shown in the figure.
The
Let the
gas density and
length at time t=0 are
to and Lo, respectively.
qui velocity vary
linearly from u = V at
the piston fare to u = o
at x = L. If the
an
V
// PISTON
density
p(t).
X=0
vanes
GAS
•u(x, t)
p(t)
a
x=L(t)
only with time, find
gar
expression for
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