21:08< Test 3 - Chapter 8 -13@|I = 2/5 m²²ill 27%а⠀--31https://efundi.nwu.ac.za/portal/site/4a2f89ce-d410-4de0-bbd0-ea69d9f0ed3e/tool/f81e4d36-0660-4fc9-980a-39a666e31541/jsf/select/selectIndex5/15/24, 9:16 AMeFundi : NPHY 171 39-1 M 2021 Tests & QuizzesAnswer Key: 5784.62, 289.311, 0, 3.71, 149.54Part 5 of 6 - Chapter 12 - Equilibrium and Elasticity / 10.0 PointsQuestion 5 of 610.0 PointsThe young's modulus of a material whose elastic strain and stress are 1.39 and 392.72N/m2 respectively is 282.53 N/m²Answer Key: 282.53Part 6 of 6 - Chapter 13 - Gravitation / 10.0 PointsQuestion 6 of 610.0 PointsThe gravitational acceleration is 4.9 m/s² at an altitude of 0.414R m(NB: Write your answer in signtific notation, eg 1.23E-4 for 0.000123)Answer Key: 2652262.7153/43/4https://efundi.nwu.ac.za/portal/site/4a2f89ce-d410-4de0-bbd0-ea69d9f0ed3e/tool/f81e4d36-0660-4fc9-980a-39a666e31541/jsf/select/selectIndex4/44/4|||О

Answered: 21:08 < Test 3 - Chapter 8 -13 @ |I =…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Introduction

Section: Chapter Questions

Problem 31P: (a) About how many microorganisms are found in the human intestinal tract? (A typical bacterial...

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C Clever | Portal E Edulastic E Edulastic A app.edulastic.com/student/assessment/612d40e134150600096ede01/class/60ecbbe284e66e8d62a95cff/uta/61310195c7a5190009489400/itemld/612d40e13415060009.. Question 12/13 > NEXT A BOOKMARK 12 A student pushes a bag of chips with 5N of force across the table to their friend. Assume friction is 2N and the force of gravity is 2N. Do not calculate air resistance. Which free body diagram correctly shows all the forces acting on the bag of chips? 5N 2N FA 5N 2N 5N 2N FA 5N P Type here to search
19. If the value of R is increased, does AVat increase, decrease, or stay the same? Explain. ww
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II. Power A. Sample Problems: 1 W-500 Joules t=25 seconds P=? 1 P=25 watts W-5000 Joules t=? 1 P=170 watts t=20 seconds W = ? bons Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: how I msidor siqma2 A 21519m 02-b W 1 If a man moves a large box that weighs 10 Newtons 20 meters in 30 seconds, how much power was used?
1f: A-3)-J+K and B =1-3J +K calculate bhe veetos (ċ) sSo that Ā-B + Ĉsa
Portal E Edulastic A app.edulastic.com/student/assessment/612d40e134150600096ede01/class/60ecbbe284e66e8d62a95cff/uta/61310195c7a5190009489400/itemld/612d40e13415060009.. Question 11/13 > NEXT A BOOKMARK Two students are rolling a ball in the grass. Student 1 applies a force of 20 N to a ball in order to roll to Student 2. If the force of friction resisting the ball is 12 N, what is the net force acting on the board? A 8N B) 240N c) 10N D 32N 2:23 PM 9/7/2021 O Type here to search
WT-1 You are designing an air-filled tube that is closed at one end and open at the other to have a sound wave with a fundamental frequency of 512HZ in air at sea level. a) Sketch a figure like the one shown to the right and draw below the tube the fundamental mode of vibration and the next three harmonics. Beside each pattern, write the tube-length-to-wavelength relationship. b) Find the length needed for this tube. c) Find the frequency needed for each standing wave pattern you sketched. Use your results from above to find the frequencies; do not use equations from memory. оpen closed
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58. A retired partner from a large brokerage firm hasone million dollars available to invest in particularstocks or bonds. Each investment’s annual rate ofreturn depends on the state of the economy in thecoming year. The file P09_58.xlsx contains thedistribution of returns for these stocks and bonds asa function of the economy’s state in the coming year.As this file indicates, the returns from stocks andbonds in a fair economy are listed as X and Y. Thisinvestor wants to allocate her one million dollars tomaximize her expected value of the portfolio oneyear from now.a. If X 5 Y 5 15%, find the optimal investment strategy for this investor. (Hint: You could try a decisiontree approach, but it would involve a massive tree.It is much easier to find an algebraic expression forthe expected final value of the investment whena percentage p is put in stocks and the remainingpercentage is put in bonds.)b. For which values of X (where 10% , X , 20%)and Y (where 12.5% , Y , 17.5%), if any,…

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