Decreasing the pulley's radius of gyration makes it
respond more quickly to the moment imposed by the
spring, increasing the system's natural frequency.
The kinetic energy of the ball increases because the
string does work on the ball as it's pulled to th
Problem #2 cfw_2| points]: The double puilejr shown has a mass of 14 kg and a radius of
gyratien of I65 mm. CylinderA and block 3 are attached to cords that are wrapped on the
pulleys as shown. The coefcient of kinetic friction between block 3 and the Sur
ME-ID _
By initialing below I agree to the following: I will not discuss this exam with others who may be taking it at a different
time due to schedule conflicts, and that I will not copy off of another students exam, both of which are considered
cheating
The radial component of acceleration
must be negative and a constant since
the centripetal force (tension) is a
constant and does not change
regardless of .
The tangential component of
acceleration ( ) can be zero if the rod is
accelerating (
) and retrac
ME-ID _
By initialing below I agree to the following: I will not discuss this exam with others who may be taking it at a different
time due to schedule conflicts, and that I will not copy off of another students exam, both of which are considered
cheating
In Dynamics nearly everything is accelerating.
Bigger because mass
concentrated at the outside.
At the top of the oscillation the pulley is
accelerating counter-clockwise. Therefore
the tension at II must be greater.
A clockwise moment is needed around G
ME-ID _
By initialing below I agree to the following: I will not discuss this exam with others who may be taking it at a different
time due to schedule conflicts, and that I will not copy off of another students exam, both of which are considered
cheating
ME-ID _
By initialing below I agree to the following: I will not discuss this exam with others who may be taking it at a different
time due to schedule conflicts, and that I will not copy off of another students exam, both of which are considered
cheating
The lines perpendicular to the velocities of B and C are
always parallel. The IC never exists. Linkage BC never
rotates.
Linkage AB initially rotates clockwise and linkage CD initially rotates
counter-clockwise. The rotate in opposite directions. The only
MCEN 2043
DYNAMICS
Spring 2013
Problem #2 (20 points): The double pulley shown has a mass of 14 kg and a radius of
gyration of 165 mm. Cylinder A and block B are attached to cords that are wrapped on the
pulleys as shown. The coefficient of kinetic fricti
MEID (required): _ Name (optional):_
2. (30 points) A large spool is pulled up a
inclined plane by an inextensible cable wrapped around its inner
radius, extending horizontally outward. A force of
is applied to the cable. The inner radius is
and the outer
MCEN 3043
MIDTERM 3
DYNAMICS
Spring 2011
Name _
Show your work! Use extra sheets if necessary. You are permitted to use your
textbook, notes, workshops, homeworks, calculator and other text references. You
may NOT use personal computers, simulation, model
File:C:\Users\mario\Desktop\DAY CYCLE.EES
10/31/2016 11:16:10 AM Page 1
EES Ver. 10.097: #3937: For use only by students and faculty Mechanical Engineering University of Colorado - Boulder
Given
RH = 0.3
= 31
T Dair
T 1 = 30
T 2 = 15
Patm = 101.3
Q = 0.00
E1-Introduction to circuits auther :Hanxiong Yang , co worker : zhidong wu, zhiwen shu.PHYS-1120
Lab Report
E1 : Introduction to Circuits
Summary :
The lab is mainly to inroduce some basic instrumentation used in electric circuits.I will be learning
how t
Lab M2.Ultrasound : Interference,
Wavelength, and Velocity (rewrite)
Summary :
The experiment is mainly about waves.To understand the relationship of frequency with
wavelength . phase and velocity.Using a tableas the reflection surface and a wave source.a
APPM 2360 Review questions Spr 16 (Solutions)
Professor Becker, 4/28/2016
(" # " # " #)
2
1. V = R , V =
1
0
1
,
,
0
1
1
. The vectors in V
(a) span V and are linearly independent
(b) span V and are linearly dependent
(c) do not span V and are linearly in
Project #1: My Bearing
Hanxiong Yang
MEID: 257-471
Intro:
The project is a program made to check if a bearing quality control design will work,
or not. In order to pass the test and maintain a sufficiently uniform property, the bearing dropped
on a steel
Hanxiong Yang
[email protected]
(720) 372-8674
774 19th st
Boulder, co 80302
April 25, 2016
Dear DLA program manager :
This is a letter to express my interest in the apprenticeship for the next academic
year. I am a 21 years old international student
Pre Lab M5 : Hooke' s Law and the
Simple Harmonic Oscillator
Summary :
In this experinment. I will be proofing the Hooke' s Law which states that the force exerted
by the spring is proportional to the extention or compression of the spring from its
equili
Hanxiong Yang
Email: [email protected]
Number: (720) 372-8674
Address: 774 19th st Boulder, CO 80302
April 25, 2016
Dear DLA program manager,
This is a letter to express my interest in the apprenticeship for the next academic year. I
am a 21 years old
Hanxiong Yang
[email protected]
(720) 372-8674
774 19th st
Boulder, co 80302
Career Objective:
Seeking an opportunity to utilize skills learned from courses and prior experiences and
becoming a Discovery Learning apprentice next fall.
Education Backgr
Project #3: My SolidWorks
Hanxiong Yang
257-471
Introduction:
For this project you will write your own 2D SolidWorks-like program. In the program the
user will be able to manipulate the object (a kite in this case) by mouse. There should
be three differen
Project #3: My SolidWorks
Hanxiong Yang
257-471
Introduction:
For this project you will write your own 2D SolidWorks-like program. In the program the
user will be able to manipulate the object (a kite in this case) by mouse. There should
be three differen
See the class website for the spreadsheet of parts that describes what capacitor values are
included in your kit.
2.7 The 555 Timer Integrated Circuit
The 555
IC is used for generating pulses, producing rectangular voltage waveforms, and other
application