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Homework for week 4
Due Thu 9/25 (in sec.)
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct you
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Let; draw in; Gucchw W 00 0f _5fm, 50 M- W W Symmehy.
EQ r>R 0cm: PV = P(%1IR>
Homework week 7
Due Thu 10/16 in section
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct your
171.102 Homework Problems 23-25 - Solutions
Charles Hussong
December 11, 2014
23. Electron can travel within a thin conducting tube, consisting of three electrically disconnected
segments. The first and the third segment are at the potential V1 = 9V, wher
m @
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Homework for week 3
2014
Due Wed, Sep 17 (in class),
Instructions: Please explain your reasoning in detail. State where the formulas are coming
from, and why they are applicable here. (The goal is, after all, so that we can check and
possibly correct your
luom 700V 102 HW/ Week 72
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Homework for week 14
Due Wed 12/10/14
(This is an extra credit homework, but it is also softly
required, in a sense that this material will be on the
final.)
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are co
171.102 Homework Problem 13
A simple magnetic brake
Let us consider a conducting rod of mass m sliding without friction over two parallel rails,
separated by distance L. The rails are connected via a resistor of resistance R; R is assumed to be
much large
Homework week 11
Due Fri 11/14/14 (in class)
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct y
Homework 2
Due Thu, Sep 11 (in section), 2014
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct
Homework for week 10
Due Thu 11/6/14 in section
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correc
171.102 Homework Problem 3 (Solutions)
(a) Theres essentially no calculation necessary for this problem. For a constant vector field, the
flux through any surface is just the same as the flux through whatever cross section of surface
that field sees. Sinc
Homework for week 6
Due Fri, 10/10 (in class)
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct
Homework week 12
Due Wed 12/3/2014
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct your way of
Homework for week 5
Due Thu, 10/2 (in section)
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct
Problem 15 Solutions
General Physics II, Fall 2014
November 9, 2014
3. Petars yogurt-making machine!
a) What is the resistance of the crockpot?
2
Using hP i = Vrms
/Rcrockpot
Rcrockpot =
2
Vrms
(120 V)2
=
= 14.4
hP i
1000 W
b) When the inductance is L, w
9. a). The leaking capacitor is discharging through the resistance of the dielectric.
C = 0
A
d
d
A
with is conductivity,A is the cross area and d is the length of the dielectric along the direction
of the current, also the distance between plates. So the
Homework week 9
Due Fri 11/1/2014 in class
Instructions: Please explain your reasoning in reasonable detail. State where the formulas
are coming from, and why they are applicable here. (The goal is, after all, so that we can
check and possibly correct you
Homework 1
Due Thu, Sep 4, 2014 (in section)
Instructions: Please explain your reasoning. State where the formulas are coming from,
and why they are applicable here. (The goal is, after all, so that we can check and possibly
correct your way of thinking.)
21 a). Consider a moving electron in magnetic field:
F = ma
v2
R
p = mv = eBR
evB = m
b). de Broglie wavelength
=
h
h
=
p
eBR
c). This situation is similar to the double-slit interference experiment of light. The zeroth maximum
on the screen is at the pos
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