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Math 223  Section 4  Handwritten Homework Assignment # 8
Monday, October 19, 2009
Due date: Monday, November 2, 2009
(submit immediately before or after class)
(1) The equation
describes the
motion of a particle moving on a circle. Assume
x
and
y
are in miles and
t
is in days.
2cos(2
/ 360)
2sin(2
/ 360)
rx
iy
j
t
i
t
j
ππ
=+
=
+
GG
G
G
G
(a) What is the radius of the circle?
(b) What is the period of the circular motion?
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 Spring '10
 DICKSON
 Math

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