Physics125HW#3
Name:NaokoMINAMI
StudentID:
PROBLEM ONE:
Consider the system in the drawing. You will solve for the acceleration of the masses. The acceleration of
gravity is g.
(a)
(b)
: the acceleration of the masses
M1 Vertical:
Horizontal:
From equatio

Physics125 HW#1
(1)
() = the velocity of the police car in time =
() = the position of the police car in time =
1 2
2
() = the position of the speeder in time = 0
(a) I assume t to find 1.
1 satisfies the next equation.
(1 ) = 0
A1 = 0
1 =
0
answer
(b)

Physics 125 HW # 7
NaokoMINAMI
PROBLEMONE:A piston of mass M is initially
held in place at the top of a cylinder by a rope. The
circular cross sectional area of the cylinder is A. The
initial height above the ground level of the bottom of
the piston is H

Physics 125 HW 4
PROBLEM ONE:
(a) ?The initial momentum is because wooden block is at rest initially.
(answer)
(b) ?Momentum of the system is conserved in the time interval just before and just after collision.
(answer)
(c) Momentum of the system is conse

Phys125 HW#9
Naoko MINAMI
PROBLEM ONE: Consider a building in the desert wherein the area of the walls and roof is 135
sq meters. The building is made of aluminum which is insulated with fiberglass insulation that is 10
cm thick. The desert is 115 deg Far

Phys 125 HW # 8
NaokoMINAMI
PROBLEM ONE: Calculate the efficiency of the Otto cycle shown in the - diagram. Give
your answer in terms of and .
(Whereisthethermalefficiency of the Otto cycle. )
Poissonslawgivesnextequationand.
Fromtheequation(1),(2),(3);
P

AIA 2005 National Convention Las Vegas
Design for Earthquake Safety
G G Schierle, PhD, FAIA
SD-Graphs
based on ASCE7 & IBC
Equivalent Lateral Force Analysis
for ASD: Allowable Stress Design
(ASD = LRFD / 1.4)
http:/ascelibrary.org/doi/abs/10.1061/(ASCE)08

Why study structures
Why study structures
Prof Schierle
1
To design GLOBAL optimum
instead of LOCAL optimum
To prevent building collapse
Why study structures
Prof Schierle
2
Bracedframeoptimization
Alternate2:
Taperedsteelbeams$12,000more
Rectangularducts

Phys125HW#2
Problem One
The coordinate system has x axis horizontal and the y axis vertical.
(a)
Velocity as functions of time t
= cos
(1)
= sin
(2)
Position as functions of time t
() = ( cos )
(3)
() = + ( sin )
1 2
2
(4)
(b)
When the projectile