PHYS 204-0I" Fall 2015
Homework 2 due 9t7 in class
Show your
work Explain your ans\rers.
1.
A 165 g silver cup contains 380 g of water at 20.0 oC. A metal washer (71.0 S) is heated to 120 oC and
fuopped into the water; the temperature of the mixture rises

PHYS ZD4Eall 2015
Homework #3 due 9tL4
1.
b
)
)
a
)
b
)
a
2.
Helium gas is sealed irr a piston chamber. The volume is 0.050 ma at 33 oC.
Calculate the gas pressure in Nlmz.
The gas is heated at constant volume until the pressure reaches 150% of its origin

PHYS 204-01 Fall 2015
Homework 4 due 9/21 in class
Show your work. Explain your answers.
A + 2.0 pC charge is placed at 30 cm on a meter stick; a
a ) Calculate the electric ﬁeld strength E at the 50
b ) Is there any location where E is zero? Explain.
—5.0

1.
a)
b)
3(0)
2.
a)
'3)
35°)
15V
3)
/>/ b)
PHYS 204 Fall 2015 Homework #7
Show your work. Clearly indicate and explain your answers
due Wed., 10/14 in class
A twelve-volt battery has an initial internal resistance of 0.07 Q.
Calculate the terminal voltage

PHYS 204 Fall 2015 Homework #8 due 10/28
Show your work. Clearly indicate and explain your answers
1. A constant magnetic ﬁeld of strength 3.7 mT points due North. A proton of mass
1.67 x 10'27 kg and charge 1.6 x 10‘t9 C enters the ﬁeld with a downward v

PHYS 204-01 Fall 2015 HW#9 due 11/2
1.
A uniform magnetic field of strength 0.044 T points directly out the paper. A square
coil with 6 turns and sides 12.0 cm long lies in the plane of the paper. The coil enters
the field at a constant rate of 5.25 cm/s

PHYS 204 Fall 2015 Homework #10 due 11/11
Show your work. Clearly indicate and explain your answers
I. The ﬁgure below shows a 5.0 cm tall candle in front of a concave mirror.
/Oa ) Use a ray diagram to estimate the location and size of the image produced

PHYS 204 Fall2015 Homework#l2 due 11/30
Show your work. Clearly indicate and explain your answers
Extra Credit: This is a VOLUNTARY homework assignment;
if you do not turn in this assignmert, it will have no effect on your course grade.
If your grade on t

I
PHYS 204 Falt 2015 Homework #11 due 11118
Show your
1.
)
,
h
l"
work
Clearly indicate and explain your answers
molecular material, when placed in sunlight, will emit
infrared radiation at a wavelength of 1320 nm.
a)
The chemist decides to use a grating