Test 1 preparation

Test 1 preparation - PHYS
270
 Spring
2011
...

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Unformatted text preview: PHYS
270
 Spring
2011
 Solved
Problems
 Chapters
33,
34.
35
 Dennis
Papadopoulos
 Tips
for
Ch.
33:
 Coordinate
Systems
and
triple
products
of
unit
vectors:
 z
 z
 P(x,y,z)
 ez
 ex
 ey
 ez
 y
 P(r,θ,φ)
 θ r
 φ φ r
 eφ er
 x
 ex × ey = ez € P(r,φ,
z)
 er × eθ = eφ er × eφ = ez € € er
 eθ eφ 1.  Yes
if
it
moves
parallel
to
B
 2.  Force
perpendicular
to
v.
Particle
energy
does
not
 change
only
its
direction.
Similar
to
planetary
 motion
around
the
Sun.
Conservative
system.
 4.
Non‐uniform.
Can
be
either.
See
previous
problem.
 5.
No
force
(see
Fig.33,4)
 Biot‐Savart
and
Ampere
Problems
‐
Strategy
 Solutions
46,47,48
 ...
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