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76. The equation of motion for the proton is
G
G
G
G
Fq
vBq
v v v
B q
B
v v
ma m
dv
dt
dv
dt
dv
dt
xyz
zy
pp
x
y
z
=×
=
++
×=
−
==
F
H
G
I
K
J
+
F
H
G
I
K
J
+
F
H
G
I
K
J
L
N
M
O
Q
P
±±±
±
±±
.
ij
ki
j
k
k
e
j
e
j
Thus,
0,
,
,
y
x
z
dv
dv
dv
vv
dt
dt
dt
ωω
=
−
where
ω
=
eB
/
m
. The solution is
v
x
= v
0
x
,
v
y
= v
0
y
cos
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 Spring '08
 Any
 Physics

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