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Unformatted text preview: Potential of a point charge
Q
! Solving equations of
motion, the hard way F
k Qq
a=r=
¨
=
m
m r2
r ≡ ∂t r
˙
2
r ≡ ∂t
¨ multiply by r
˙
2
k Qq
r
˙
kQq
1
=
∂t
r=−
˙
∂t
2
2
mr
m
r
2
r
˙
kQq
∂t m +
=0
2
r
Thursday, September 16, 2010 r Φ
V(r)? ...
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 Fall '08
 Wei
 Charge

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