Question: In practice, it is often difficult to determine the logarithmic decrement of a system with light damping defined in Prob. 19.128 by measuring two successive

In practice, it is often difficult to determine the logarithmic decrement of a system with light damping defined in Prob. 19.128 by measuring two successive maximum displacements. Show that the logarithmic decrement can also be expressed pressed as (1/k) In (xn/xn + k), where k is the number of cycles between readings of the maximum displacement.

Step by Step Solution

★★★★★

3.46 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

As in Problem 19128 for maximum displacements x and Xnk at t and tk sin ot 1 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

4-E-M-E-VM (2849).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Show that Î² 2 of Eq. (11.3.8) can also be expressed as and var (Î² 2 ) given in Eq. (11.3.9) can also be expressed as where y i = Y i YÌ and x i = X i XÌ...

Why is it often difficult to determine the specific relationships between independent and dependent variables?

Explain why it is often difficult to identify an appropriate, relevant, and reliable measure for estimating a cost function.

just only 2 questions ,please read the requirment word by word and be careful about the style of the reference(APA) , file 3.1 is for question 2..BTW,please focus the every step FINANCE SPOTLIGHT...

Tips from The Stuff of Heroes! The following is an excerpt from The Stuff of Heroes, by William Cohen, a retired Air Force major general. In the book Cohen includes dozens of inspiring stories from...

Case brief on No. 07-1239 Supreme Court of the United States Winter v. Natural Res. Def. Council, Inc. 555 U.S. 7 (2008) 129 S. Ct. 365 172 L. Ed. 2d 249 21 Fla. L. Weekly Fed. S 547 Decided Nov 12,...

answer the following questions: What are your moral obligations as professionals to prevent such things from happening? What guidance do the professional codes provide (cite specific code sections in...

U.S. Army Cost Benefit Analysis Guide 12 JANUARY 2010 Prepared by Office of the Deputy Assistant Secretary of the Army (Cost and Economics) Version 1.0 U.S. Army Cost Benefit Analysis Guide - V 1.0 2...

Unit 2: Designing the Operations Designing the operations of an organization or your department - precedes operational management. For .ll _ . example, suppose a wallet manufacture's mission is to '...

1. IRS 342 110

The following sentences need correcting, as there are several grammatical errors in each one. Your job is to correct them, but you have some leeway in how you decide to do so, as there are several...

Fuzzy Button Clothing Company generated $ 5 0 0 , 0 0 0 net income on sales of $ 1 4 , 0 0 0 , 0 0 0 . The firm expects sales to increase by 1 5 % this coming year and also expects to maintain its...

The mixed metal perovskite Pb0.76La0.04Bi0.20VO3 displays Negative Thermal Expansion (NTE) as illustrated. (a) Explain, using appropriate diagrams, why the observed NTE is unlikely to be related to a...

Suppose that X, Y, and Z are jointly distributed candom variables, that is, they are defined on the same sample space. Suppose that we also have the following. EX) = -8 E(Y) =-3 E(Z) = 6 Var (X) - 22...

Suppose that the speeds of cars travelling on California freeways are normally distributed with a mean of 60 miles/hour. The highway patrol's policy is to issue tickets for cars with speeds exceeding...

Use the calculator provided to solve the following problems. Consider a Ldistnbution with 10 degrees.of freedom. Compute P(1s-1.88). Round your answer to at least three decimal places. Consider at...

The distribution of scores on a standardized aptitude test is approximately normal with a mean of 520 and a standard deviation of 95. What is the minimum score needed to be in the top 20% on this...

Explain the importance of the communal group and the role of its members for ensuring the survival of all its members.

A generator circuit with Vg = 200 V and Rg = 25 was used to excite a 75-lossless line with a rectangular pulse of duration 0.4 s. The line is 200 m long, its up = 2 x 108 m/s, and it is terminated in...

For the circuit of Problem 2.55, generate a bounce diagram for the current and plot its time history at the middle of the line.

For the parallel-plate transmission line of Problem 2.3, the line parameters are given by: Find , , up, and Z0 at 1 GHz R' = 1 ('m), L' = 167 (nH/m), G = 0, C = 172 (pF/m).

Please answer all the questions what is asked in number 1-6 ma'am/sir. Thank you! 1. Do social robots walk or roll? According to the United 2. Beach erosional hotspots. Beaches that exhibit high ero-...

example of ids 1 0 5 module five

Adapted AICPA Task-Based Simulation Youu are involved with the audit of Jelco Company for year 1 and have been asked to consider the confirmation reply results indicated below. For each confirmation...