LABORATORY 12
Archimedes Principle
In this laboratory, we shall investigate various means of determining the (AVERAGE) [MASS-]
densities of irregular objects, and thereby reinforce ideas of
(1)
direct and indirect measurements,
(2)
dierence measurements,
Physics Laboratory Exercise #11
NAME:
The moment of inertia of a uniform [THIN] ring is
2
Ir = Mr R r ,
where Mr and Rr denote the mass and radius of the ring. Similarly, the moment of inertia
of a uniform solid disk is
1
2
I d = Md R d ,
2
where Md and R
Physics Laboratory Exercise #21
NAME:
(1) The densities and specic heat capacities of coee and milk are not so very dierent
from those of water. So we shall take
coee = milk = H2O = 1.000
g
,
cm3
and
Ccoee = Cmilk = CH2O = 4.186
J
.
gC
While purists quibb
Physics Laboratory Exercise #13
NAME:
Formulae purporting to describe the eective spring constants associated with series and
parallel combinations of two elementary springs are,
1
1
1
=
+ ,
and
kp = k1 + k2 ,
ks
k1 k2
subject to a few innocuous assumptio
Physics Laboratory Exercise #22
NAME:
The following data, along with error estimates, were obtained.
Material
L
cm
Rrm
k
L
mm
Rhot
k
Au
70.0 0.1 107.8 0.1
70.0 0.1 104.7 0.1
0.06 0.05 5.910 0.01
Pu
70.0 0.1 102.4 0.1
C
0.74 0.05 5.880 0.01
Diamond
T = Tho
LAB 12 50
ARCHIMEDES PRINCIPLE
LAB EXERCISE #12
(1) The doorstop in the lab room was made from a scrap piece of pine lumber. It is
shaped like a triangular wedge (with a taper to a sharp edge) along with a attened
portion. Most of the relevant dimensions
Physics Laboratory Exercise #14
NAME:
The chart below lists the approximate number of congratulatory tweets (in millions) sent
to Sidney Crosby in the months following the 2010 Winter Olympic Games.
Month
Tweets
March
730 10 M
April
420 10 M
May
240 10 M
LABORATORY 15
Observation of Transverse Waves
In this physics laboratory, the propagation of transverse waves through homogeneous and
inhomogeneous media shall be carefully observed. In addition, wavewave interactions
shall be investigated, as will the ma
LABORATORY 13
Springs in Series and Parallel
In this physics laboratory, well measure spring constants for two springs and subject
formulae purported to describe their series and parallel combinations,
1
1
1
=
+
and
kparallel = k1 + k2 ,
kseries
k1 k2
res
LABORATORY 10
Rotational Dynamics
In this laboratory, well verify one aspect of the centripetal m a formula:
FC =
m v2
= m 2 r = m
r
2
T
2
r=
4 2 m r
,
T2
where FC is the magnitude of the centripetal force. The factors m, v, r, , and T , represent
the mas
LABORATORY 11
Ratio of Moments of Inertia
In performing this experiment, we shall reinforce ideas of
(1)
direct, indirect and dierence measurements,
(2)
accounting for error, and
(3)
graphical analysis of data.
GRAND IDEA: The moment of inertia of an obje
LABORATORY 22
Coecients of Lineal Thermal Expansion
In this laboratory, we shall measure the (lineal) thermal expansion coecients of three
metals: aluminium [Al], copper [Cu], and steel.
In conducting this investigation, we will have occasion to review
(1
LABORATORY 21
Calorimetry and Specic Heat Capacities
In this physics laboratory, well investigate two aspects of thermal energy transfer and
deposition into substances. In Part One we illustrate the conservation of thermal energy
in the context of [rapid]
LABORATORY 14
Springs and Damped Harmonic Oscillation
Collect your springs from the vault where they have been held in
safekeeping since last weeks lab.
In this experiment, well set an interesting mass-spring-damper system in oscillation and
determine the
Physics Laboratory Exercise #10
NAME:
(1) A circular wheel has radius R = 0.45 0.02 m. The wheel is observed to be rotating
uniformly with period T = 2.00 0.05 s.
(i) Compute the frequency with which the wheel spins.
(ii) Compute the angular speed of the