Fall 2008 Math 285 Quiz 6: Oct 22
Name:
;\
f\.
$
''V...Q
....
J~'
If you cannot
complete
a problem
(perhaps
because
you forgot a formula)
but you think
you
know how, please
describe.
Correct
methods
will receive partial
"redits.
1. An object
weighing
16 pounds
stretches
a sprin~
inc~)~h:
~ass
is initially
released
trom
re~!Jrom
a point
6 inches above
the
equilibnum
position.
Assuming
that
the mass
undergoes
free undamped
motion
whose motion
obeys the DE of form
mx"
+
k:J:
=
O.
(a)
write
the :tial
value ~~)£1em
corresponding
to the given problem
(that's
DE with
appropriate
coefficients with
initial
conditions).
W
"=.
l6 \~~
:M..
3'(
t~~~
::0")
M ~ ~
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 Spring '08
 SATOKO
 Math, Differential Equations, Equations, Expression, Robert Hooke, Inch, Forgot About Dre

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