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84. We compute the coordinate pairs (
x, y
) from
x
= (
v
0
cos
θ
)
t
and
2
1
0
2
sin
yv
t g
t
θ
=−
for
t
= 20 s and the speeds and angles given in the problem.
(a) We obtain
()
(
)
(
)
(
)
(
)
,
10.1 km, 0.56 km
,
12.1 km,1.51 km
,
14.3 km, 2.68 km
,
16.4 km, 3.99 km
AA
BB
CC
DD
xy
==
and (
x
E
,
y
E
) = (18.5 km, 5.53 km) which we plot in the next part.
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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