# Register now to access 7 million high quality study materials (What's Course Hero?) Course Hero is the premier provider of high quality online educational resources. With millions of study documents, online tutors, digital flashcards and free courseware, Course Hero is helping students learn more efficiently and effectively. Whether you're interested in exploring new subjects or mastering key topics for your next exam, Course Hero has the tools you need to achieve your goals.

3 Pages

### Lab 131

Course: PHYS 106, Spring 2011
School: NJIT
Rating:

Word Count: 548

#### Document Preview

131 Lab Centripetal Force Mario DeLaPaz Kui Chen Phys 111A Objective : To understand that there is centripetal force acting on an object in circular motion and the acceleration is always directed radially inward. Theoretical background : 1. U=mgh 2. K = mv2 3. W=Fd 4. W=U 5. F= m(g+v2/r) Tension force at the lowest point 6. The velocity vector tangent to the circle is always perpendicular to the circle radius....

Register Now

#### Unformatted Document Excerpt

Coursehero >> New Jersey >> NJIT >> PHYS 106

Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Course Hero has millions of student submitted documents similar to the one below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
131 Lab Centripetal Force Mario DeLaPaz Kui Chen Phys 111A Objective : To understand that there is centripetal force acting on an object in circular motion and the acceleration is always directed radially inward. Theoretical background : 1. U=mgh 2. K = mv2 3. W=Fd 4. W=U 5. F= m(g+v2/r) Tension force at the lowest point 6. The velocity vector tangent to the circle is always perpendicular to the circle radius. Newton's law for x and y components are : in x direction, Tsin()=max ; in y direction : -mg+tcos(). The lowest point ay is just the radial acceleration v 2/r . Solving for T gives you the fifth equation. Tension T and weight mg are the only two forces visible in FBD. Mg is conservative but T is not.Aby work done by tension would change the energy of pendulum. Tension is perpendicular to velocity and Work done by the Tension force is zero. 7. Equipment L ist : 8. PC with UL I ; Force Probe ; Clamp to hold force probe ; Pendulum with different masses 9. P rocedure : 10. Connect force probe to UL I port DIN1. Open Logger Pro file. A UL I Force Probe attached to DIN1 must be calibrated before collecting data. Follow the calibration inst ruct ions. Weigh the pendulum. Measure the pendulum length L. Hang the pendulum on the force probe. Li ft the pendulum to the horizontal posit ion. Click the Collect but ton, wait 2 seconds then drop t he pendulum and let it oscillate. The force Vs t ime is plotted. Click the Stop button and read the value of the f irst maxim um force. The force value is at maxim um when the oscillat ing weight is vert ically below the suspension point. The Newton's applied Law at t he point allows one to calculate the Tension force.Calculate the % difference between the maxim um Force from the plot and Tension calculated from equat ion 5. Measure the pendulum period. The t ime distance between the adjacent maxima is half of period. Record the data. 11. 12. 13. Data and Calculations : See page attached 14. Discussion : 1. The amplitude of force becomes smaller. What is the reason for that? 15. The reason the amplitude becomes smaller because the velocity decreases because of gravity and force goes downward. 2. When you use the conservation of energy you assume that the energy of system doesn't change but it does. Can you evaluate how much evergy was lost (%) before theh pendulum reached the first minimum.? 16. Mgh+fFD=1/2 mv 2 3. What element in the equation 5 is responsible for the maximum of force getting smaller with t ime? What energy does i t represent? 17. Velocity, it represents Kenetic Energy 4. How would the plot of the Force look if the experiment were made in a vacuum? 18. There would be no gravity thus, the velocity would be constant. 5. What is a vacuum? 19. A vacuum is where t here is no gravity or air resistance. 6. What way does the air affect the pendulum mot ion? 20. The air resistance affects the mot ion by slowing it down. 21. Conclusion : 22. In this lab I learned how the force of the pendulum stayed the stayed the same as long as the mass stayed constant. I also learned to use the conservation of energy to solve for the tension. I have a full understanding of the formulas by visualizing what's happening. 23.
Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more. Course Hero has millions of course specific materials providing students with the best way to expand their education.

Below is a small sample set of documents:

NJIT - PHYS - 106
L AB 132Tom PampalonePage 1 of 4LABORATORY EXPERIMENT REPORTName: Tom Pampalone Wednesday, M a rch 02, 2011 Group Members: Juan,E ric,Paulina Experiment Date: Course Name: Section: Instructor: P HYS 106A 008 P rofessfor SemanLABORATORY #132 Conservat
NJIT - PHYS - 106
L AB B1Tom PampalonePage 1 of 5LABORATORY EXPERIMENT REPORTName: Tom Pampalone Wednesday, April 20, 2011 Group Members: Paulina, Ronard, E r ic, Juan Experiment Date: Course Name: Section: Instructor: P HYS 106A 008 P rofessor SemanLABORATORY #B1 Sim
NJIT - PHYS - 106
L AB CTom PampalonePage 1 of 4LABORATORY EXPERIMENT REPORTName: Tom Pampalone Wednesday, April 27, 2011 Group Members: Juan,Paulina,E r ic,Ronard Experiment Date: Course Name: Section: Instructor: P HYS 106A 008 P rofessor SemanLABORATORY #C Physical
NJIT - PHYS - 106
L AB UGTom PampalonePage 1 of 3LABORATORY EXPERIMENT REPORTName: Tom Pampalone Wednesday, April 13, 2011 Group Members: Paulina, Ronard, E r ic, Juan Experiment Date: Course Name: Section: Instructor: P HYS 106A 008 P rofessor SemanLABORATORY #UG Uni
NJIT - PHYS - 106
LAB 202 : Numerical Verification of Gauss's LawMario DeLaPaz 2/15/11 Physics 121AObjective : In this section, using MATLAB software you will evaluate Gauss's Law numerically for different surfaces and verify that the integral over the surface multiplied
NJIT - PHYS - 106
1) 2) 3) 4) 5) 6)20 cm 45 cm 70 cm 95 cm 120 cm 145 cm50 cm75 cm.100cm125cm140cm
NJIT - PHYS - 105
Tom Pampalone 10/19/10 Phy 105A Section 011 Lab 103 Purpose: The primary purpose of this lab is to verify that the condition for static equilibrium is that the vector sum of forces is zero. Background: As stated by Newton's Laws of motion, a particle that
NJIT - PHYS - 105
pampalone (tp8327) HW#4 swaminathan (10500) This print-out should have 27 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A 7.5 kg object hangs at one end of a rope that is at
NJIT - PHYS - 105
pampalone (tp8327) HW#6 swaminathan (10500) This print-out should have 17 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points An elevator starts from rest with a constant upward a
NJIT - PHYS - 105
pampalone (tp8327) HW#7 swaminathan (10500) This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points A curve of radius r is banked at angle
NJIT - PHYS - 105
pampalone (tp8327) HW#8 swaminathan (10500) This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A penny of mass 3.1 g rests on a small 8.36 g block s
NJIT - PHYS - 105
pampalone (tp8327) HW#9 swaminathan (10500) This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A block sliding on a horizontal surface has an initia
NJIT - PHYS - 105
pampalone (tp8327) HW10 swaminathan (10500) This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points A skier of mass 72.7 kg is pulled up a
NJIT - PHYS - 105
pampalone (tp8327) HW#11 swaminathan (10500) This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A 3.41 kg ball is attached to a 13.3 N fish line. Th
NJIT - CS - 100
def showString(url,search): import urllib.request page = urllib.request.urlopen(url) text = page.read().decode(&quot;utf8&quot;) where = text.find(search) before = where - 10 after = where + 10 print(&quot;First occurrence at: &quot;,where) print(&quot;Context: &quot;,text[before:afte
NJIT - CS - 100
def polygon(shape, min): minimum=input(&quot;Please enter your min value: &quot;) maximum=input(&quot;Enter your max value: &quot;) size=input(&quot;Length size?: &quot;) m= minimum l= maximum s= size pendown() if m&lt;l: repeat(shape, m) s=s+1 else: s=l repeat(shape, l) def shape(): for
NJIT - CS - 100
Mets 3 Yankees 4Orioles 4 Tigers 3Diamondbacks 7 Marlins 2Dragonslayers 10 Torrentz 10
NJIT - CS - 100
winners = open(&quot;ballgames.txt&quot;) winner = 0 for line in winners: (team1,score1,team2,score2) = line.split() if score1 &gt; score2: winner = team1 print ('The winner was ' , (winner) , 'with' , (score1) , 'points.') elif score2 &gt; score1: winner = team2 print('
NJIT - CS - 100
def findAE(array): maxAE=0 for i in (array): a=i.count('a') e=i.count('e') count=a+e if count&gt;maxAE: maxAE=count print(maxAE) findAE(['eaeae','gfgheeeeega'])
NJIT - CS - 100
#Tom Pampalone #11/11/10 #CS-100 Section 05 #HW 4 Problems 1 &amp; 2 Combined def paragraphStats(fileName): textf = open(fileName) lines = 0 blanklines = 0 word_list = [] cf_dict = cfw_ for line in textf: lines += 1 if line.startswith('\n'): blanklines += 1 w
NJIT - CS - 100
#Tom Pampalone #CS-100 HW 5 #1 #11/29/10 dictionary = cfw_ dictionary.update([('Sebastian' , '54')]) dictionary.update([('John' , '74')]) dictionary.update([('Anthony' , '27')]) dictionary.update([('Mike' , '82')]) dictionary['Mario'] = '34' dictionary['T
NJIT - CS - 100
#Tom Pampalone #CS-100 HW 5 #2 #11/29/10 def findSuperStrings(lists, value): new = [] for i in lists: if i.find(value) &gt; -1: new.append(i) return(new) print(findSuperStrings(['a', 'bc', 'abc'], 'a')
University of Illinois, Urbana Champaign - CS - 373
Problem Set 4 SolutionsCS373 - Spring 2011 Due: Thursday April 7 at 2:00 PM in class (151 Everitt Lab)Please follow the homework format guidelines posted on the class web page:http:/www.cs.uiuc.edu/class/sp11/cs373/1. Pumping Lemma / Ogden's Lemma [Ca
University of Illinois, Urbana Champaign - CS - 373
Problem Set 3 SolutionsCS373 - Spring 2011 Due: Thursday Mar 17 at 2:00 PM in class (151 Everitt Lab)1.Mirrors[Category: Proof, Points: 18] LetA = cfw_w cfw_a, b | w = wR . Aon(a) Determine the set of equivalence classes of is not regular. (4 Point
University of Illinois, Urbana Champaign - CS - 373
Problem Set 2 SolutionsCS373 - Spring 2011 Due: Thursday Feb 24 at 2:00 PM in class (151 Everitt Lab)Please follow the homework format guidelines posted on the class web page:http:/www.cs.uiuc.edu/class/sp11/cs373/1.Is it regular?[Category: Proof, P
University of Illinois, Urbana Champaign - CS - 373
Problem Set 1 SolutionsCS373 - Spring 2011 Due: Thursday Feb 10 at 2:00 PM in class (151 Everitt Lab)Please follow the homework format guidelines posted on the class web page:http:/www.cs.uiuc.edu/class/sp11/cs373/1. Encoding input and building a DFA
University of Illinois, Urbana Champaign - CS - 373
Problem Set 0 SolutionsCS373 - Spring 2011 Due:1. True/false [Category: Notation, Points: 10] Answer each of the following with true or false. Follow the notations in Sipser. We use cfw_. . . to represent sets (not, for example, multisets). The symbol
University of Illinois, Urbana Champaign - CS - 241
CS 241, Homework #2, Spring 2011NetID: _CS 241, Homework #2, Spring 2011 Name: _SOLUTION_ INSTRUCTIONS: This homework is INDIVIDUAL WORK. Please TYPE your homework solutions. Handwritten solutions WILL NOT be graded. Please STAPLE all sheets together. A
University of Illinois, Urbana Champaign - CS - 241
CS 241 Section Week #11 (04/21/11)HW3Released last Friday, April 15th Total of two weeks to work on it Due: Friday, April 29th, IN-CLASS at 11:00amQuestions cover topics from the last half of the semester. useful as an exam review.MP7Web ServerDue
University of Illinois, Urbana Champaign - CS - 241
CS 241, Homework #2, Fall 2009 CS 241, Homework #2, Fall 2009NetID: _ANSWER KEY1. Two schemes are commonly used to manage free spaces for memory dynamic partitions: bit map and linked list. Which of the following is correct about these two schemes: A.
University of Illinois, Urbana Champaign - CS - 241
University of Illinois, Urbana Champaign - CS - 232
.data dag : scan_done: xcoord : ycoord : mystate : .text main: li mtc0 li li li sll sll or or sw la sw.space 128 .word 0 .word 0 .word 0 .word 0# SPIMbot state\$t0, 0xa001 \$t0, \$12 \$t0, 128 \$t1, 128 \$t2, 200 \$t0, \$t1, \$t0, \$t0, \$t0, \$t1, \$t0, \$t0, 16 8
University of Illinois, Urbana Champaign - CS - 232
decodeAll: # a0 = base, a1 add \$t0, \$a0, \$a1 # t0 lb \$t1, 0(\$t0) # t1 bne \$t1, \$0, right_rec lb \$t1, 1(\$t0) # t1 bne \$t1, \$0, left_rec # base case move \$a0, \$a2 addi \$sp, \$sp, -4 sw \$ra, 0(\$sp) jal decode lw \$ra, 0(\$sp) addi \$sp, \$sp, 4 jr \$ra left_rec: a
University of Illinois, Urbana Champaign - CS - 232
# MP1 score: # If your score is not 100%, please see lines marked ERROR below main: li \$a0, 0xC232 # a0 = 0xC232 = 49714 in decimal# DO NOT DELETE THIS LINE # # Start of your code (\$a0 = val) andi srl andi li li loop: beq sll andi or srl addi j done: \$v0
University of Illinois, Urbana Champaign - CS - 231
CS231 - Spring 2011 Homework 10 Due: 5PM, April 25, 2011Name: NetID:Use a printed copy of this homework for final submission and staple please! Instructions: Write your NetID on the bottom of every page The value of each of the 6 questions is indicated
University of Illinois, Urbana Champaign - CS - 231
CS231 Spring 2011 Homework 4Due at 5:00pm, Wednesday, February 23, 2011 in CS231 HW boxes in Siebel Center's basementIntroductory notes: This homework covers Decoders, Multiplexers, LogicWorks and Addition There are a total of 6 questions in the h
University of Illinois, Urbana Champaign - CS - 231
CS 231 Spring 2011 Homework 5 Solutions Addition and Subtraction1. (10 pts) Change the following numbers to the specified format: a. -3510 to 8-bit One's Complement Binary Solution: +39 to binary is 0010 0111, then complement bits to get to One's Complem
University of Illinois, Urbana Champaign - CS - 231
CS 231 Spring 2011 Homework 1 Number Systems and Boolean AlgebraDue at 5:00pm, Wednesday, February 2, 2011 in CS 231 HW boxes in Siebel Center basementIntroductory notes: Write your name, your netID, and &quot;CS 231&quot; clearly on the first page. You must foll
University of Illinois, Urbana Champaign - CS - 231
CS 231 Computer Architecture I Spring 2011: Homework 8 * Solutions * Released, Tuesday, April 12, 2011 in CS231 HW box Siebel Center (in basement) Introductory notes: Write your name, your netID, and &quot;CS231&quot; clearly on the first page. You must follow th
University of Illinois, Urbana Champaign - CS - 231
CS 231 Computer Architecture I Spring 2011: Homework 6 * Solution * Solutions Questions 1-4 Released, Sunday March 20, 2011 Solutions Question 5 Released, Sunday April 3, 2011 Introductory notes: Write your name, your netID, and &quot;CS231&quot; clearly on the f
University of Illinois, Urbana Champaign - CS - 231
CS 231 Computer Architecture I Spring 2011: Homework 2 *Solutions* Released, Thursday, February 3, 2011 Due at 5:00pm, Thursday, February 10, 2011 in 0212 Siebel Center (in basement) Introductory notes: Write your name, your netID, and &quot;CS231&quot; clearly o
University of Illinois, Urbana Champaign - CS - 231
CS231Spring2011 Homework9 Solution Dueat5:00pm,Monday,April18th,2011 inCS231HWboxesinSiebelCenter'sbasementIntroductorynotes: Writeyourname,yournetID,and&quot;CS231&quot;clearlyonthefirstpage. YoumustfollowtheFormattingGuidelineslistedontheassignmentspage oryoursc
University of Illinois, Urbana Champaign - CS - 231
CS231Spring2011 Homework7Solution Dueat5:00pm,Wednesday,Mar.30th,2011 inCS231HWboxesinSiebelCenter'sbasementIntroductorynotes: Writeyourname,yournetID,and&quot;CS231&quot;clearlyonthefirstpage. YoumustfollowtheFormattingGuidelineslistedontheassignmentspage oryours
University of Illinois, Urbana Champaign - CS - 231
CS231 Spring 2011 Homework 3 Solution Circuit Design, Decoders and MultiplexersDue at 5:00pm, Wednesday, February 16, 2011 in CS231 HW boxes in Siebel Center's basementIntroductory notes: Writeyourname,yournetID,and&quot;CS231&quot;clearlyonthefirstpage. Youmustf
Introduction to Operations ManagementBUAD311 Operations Management Session 1 Hiroshi Ochiumi1Course ReadingsTextbook BUAD311 custom-made textbook eBook available The Goal ARES - USC Library's Automated Reserve SystemTeaching Notes and Lecture Slides
Measures: Capacity, Time, and MoreBUAD311 Operations Management Session 2 Hiroshi Ochiumi1ObjectivesHow do we quantitatively evaluate a process? Capacity Time Other?2Analyzing Business ProcessInputs Transformation Process OutputsOur purpose is to
More on Capacity ManagementBUAD311 Operations Management Session 5 Hiroshi Ochiumi1More on Capacity ManagementSo far, we analyzed the process given the capacity. How much capacity do we need to meet the demand?2Capacity Requirement: ExampleKristen
UCF - ZOO - 3733
UNIVERSITY OF CENTRAL FLORIDA DEPARTMENT OF MOLECULAR BIOLOGY AND MICROBIOLOGY BURNETT SCHOOL OF BIOMEDICAL SCIENCES COLLEGE OF MEDICINE ZOO 3733-Fall 2010 Section: 0001Course: Human Anatomy (ZOO3733C), Mon, Wed &amp; Fri 7:30-8:20 a.m. (Lectures) , Location
Cornell - PAM - 4380
Syllabus PAM/ ECON 4380: Economics of Public Health Spring 2011 Professor: Don Kenkel 102 MVR Hall Phone 255-2594 Email:dsk10@cornell.eduCourse Meets: M - W - F 10:10 - 11:00 a.m. 157 MVR Hall Office Hours: Mondays 1:00 - 3:00 p.m., and by email appointm
Cornell - PAM - 4380
Economic Evaluation of the Social Determinants of Health: An Overview of Conceptual and Practical IssuesDon Kenkel, PhD Department of Policy Analysis and Management Cornell University Ithaca NY USA And Marc Suhrcke, PhD University of East Anglia Norwich
Cornell - PAM - 4380
Prohibition: Smoking bansClick to edit Master subtitle style PAM/ECON 4380: EconomicsHealth Catherine Maclean 2/28/2011of Public4/28/11Background (1)Limit or prohibit smoking in public placesWorkplaces, restaurants, bars, hospitals, schools, .Obje
Cornell - PAM - 4380
PAM 4380 Economics of Public Health Spring 2011Professor: Don Kenkel dsk10Outline: 1/26/11 Overview of the course Epidemiologic transition in public health Mokdad et al JAMA: `actual causes of death' WHO report Estimating the `actual causes of death'
Cornell - PAM - 4380
Litigation 4/15/2011Master Settlement Agreement Impact of settlement payments Political theory Obesity litigation (next week) Homework #6 due Monday Prelim #2 Friday, 4/22Covers information, taxation, litigationMSA ImpactsSources for next few slid
Cornell - PAM - 4380
Normative Economics Outline: 2/4/2011 Positive economics: (last lecture) Normative economics Market success Defining &quot;optimal&quot; and &quot;efficient&quot; Market failures Homework #1: Due Wed., 2/11/2011 Next time: motorcycle helmet lawsExample: Banning a &quot;Bad&quot;
Cornell - PAM - 4380
Normative Economics vs. Public Health Ethics Outline: 2/7/2011 Example: Motorcycle helmet laws born to be wild Normative economics: identify market failure rationales Externalities Imperfect information Public Health Ethics Paternalism (Jones &amp; Brey
Cornell - PAM - 4380
Outline: 2/9/2011 2.1 Normative economics and public health ethics Health Disparities Normative economics perspective Public health perspective Deaton: &quot;Policy Implications of the Gradient of Health and Wealth&quot; 2.2 Empirical methods in economics and pu
Cornell - PAM - 4380
Outline: 2/11/2011 2.2 Empirical methods in economics and public health Estimating causal treatment effects Definition Regression analysis Selection bias endogeneity bias Reading: Angrist &amp; Pischke Next time: Taubes article Homework #2 due next Friday,
Cornell - PAM - 4380
Outline: 2/14/2011 2.2 Empirical methods Selection bias in public health research OLS versus logistic regression The `estrogen debacle' Observational data in epidemiology Healthy user bias Compliance bias Recommendations Reading: Taubes article Homewor
Cornell - PAM - 4380
Outline: 2/16/2011 2.2 Empirical methods Design-based econometrics Difference-in-difference Regression discontinuity Instrumental variables Readings Kenkel &amp; Suhrcke 2011: on Blackboard Newhouse &amp; McClellan 1998 Kenkel 1995 (next time) Homework #2 du
Cornell - PAM - 4380
Outline: 2/18/2011 2.2 Empirical methods Structural econometrics Re-visiting the IV estimate of catheterization A simple structural model of catheterization An almost structural model of health lifestyles (Kenkel 1995) Next: Prohibtions Reading: Caulk
Cornell - PAM - 4380
Outline: 2/21/2011 3.0 Prohibition Basic issues: supply &amp; demand (today) Examples Heroin and meth Readings: Weatherburn et al, Dobkin &amp; Nicosia Alcoholic beverages w/ caffeine Restaurant smoking bans Prelim #1: March 4 Homework #3 due Monday, 2/28/20