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30. (a) We use Eq. 3729:
v
vu
uv c
cc
c
=
+
+
=
+
+
=
'
'/
..
(. )
.,
1
047
062
10
4
70
6
2
084
2
in the direction of increasing
x
(since
v
> 0). In unitvector notation, we have
ˆ
(0.84 )i
vc
=
G
.
(b) The classical theory predicts that
v
= 0.47
c
+ 0.62
c
= 1.1
c
, or
ˆ
(1.1 )i
=
G
(c) Now
v'
= –0.47
c
ˆ
i so
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 Spring '08
 Any
 Physics

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