The vurFace (A) OF a cloved right - circur area cy lınder of radiue (r) and height (h) is given OF by A = 2 Tr? + LTrh . The radiue Cr) is Increacing at a rate OF 50 mm/min and itte height is decr earing at the instant when its radjus p= 80 mm and h= 120 mm ( Exprerr in termu OF answer

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The vurFace
ar e a
(A) OF a
Cloved
right-Circular
cylınder
Of radiue
(r) and height (h) is given
+ LTrh.
The radiue (r) is
by A = 2 Th?
at
rate
OF
50 mm/min and
Increacing
it's height
is decr earing
at
the instant
r= 80 mm
and
h= 120 mm
when
its radiur
in termu
7: )
OF
( Exprere
answer
Transcribed Image Text:The vurFace ar e a (A) OF a Cloved right-Circular cylınder Of radiue (r) and height (h) is given + LTrh. The radiue (r) is by A = 2 Th? at rate OF 50 mm/min and Increacing it's height is decr earing at the instant r= 80 mm and h= 120 mm when its radiur in termu 7: ) OF ( Exprere answer
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