do fast i will 10 upvotes. 1. A damped, torsional pendulum moment of inertia 2 kgm² and torsional stiffness of 40kNm/rad is subjected to a harmonic exciting torque of amplitude 12 Nm, as shown in Figure1. The resonant is measured as 0.5°. Find the coefficient of torsional viscous damping.(Answer: 9.72 Nm/rad/s)T(t)k₁lliquidFigure 1

Step 1: Identify Given ParametersGiven parameters include the moment of inertia I=2 kgm2, torsional…

Answered: 1. A damped, torsional pendulum moment…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Solve for x for the following equation: 4ln(3x-8) = 60
Compute to three decimal places. (See attached) Initial values are: PX = $9500 PY = $10000 I = $15000 A = $170000 W = 160 This function is: Qs = 89830 -40PS +20PX +15PY +2I +.001A +10W
C = 10 + 0.5Y, I = 190 -20i Derive the IS equation
/pq The radius of curvature of a spherical mirror is: a) Twice the focal length b) Half the focal length c) Equal to the focal length d) Thrice the focal length
My calculation of (600-0.4(100))/0.7 = 800. How do you get 828.57?
please answer the questions on the image attached with work shown, thanks!
Sales in a company are $188 million in 2009 and increase $208 million in 2010. Compute the percentage increase in sales using the usual formula Compare this value to the approximation The approximation performs (1) percentage change increases. 100 x (1) O better (2) O deteriorates O worst O improves 100 x 100 x (Sales 2010 - Sales 2009) Sales 2009 100 x [In (Sales2010) -In (Sales2009)] (Sales 2010 - Sales2009) Sales 2009 100 x [In (Sales 2010) -In (Sales2009)] = [ (Express your response as a percentage and round to three places) Now, assume that sales in a company are $188 million in 2009 and increase $264 million in 2010. = (Sales2010 - Sales 2009) Sales 2009 % % % 100 x [In (Sales 2010) -In (Sales 2009)] = [ (Express your response as a percentage and round to three places) % when the change is small. The quality of the approximation (2). as the
(10+05)The following data were collected on the height (inches) and weight (pounds) of women swimmers.Height6870646566 Weight132110106115128 d. Suppose the value of co-efficient of determination is estimated to be equals 0.85, what does this value explains?
X(t) is a wide sense stationary stochastic process with autocorrelation function sin(271000r) R„(T)=10- 271000r The process Y(t) is a version of X(t) delayed by 50 micro seconds. {Y(t) = X(t - t0)} (a) Derive the autocorrelation function of Y (t). (b) Derive the cross-correlation function of X(t) and Y (t). (c) Are X(t) and Y (t) jointly wide sense stationary? IUnloaded File Details
Define the term, the variation of PW?
x = f(p) = 3000 - 2p² E(p) =
4. The estimation of the model with quarterly car sales in the U.S. from 1975 to 1990 gives: Source | df MS Number of obs = 64 F( 2, Prob > F 61) = 12.21 Model .32720224 2 .16360112 0.0000 Residual | .817286587 61 .013398141 R-squared Adj R-squared = 0.2625 Root MSE 0.2859 Total | 1.14448883 63 .018166489 .11575 lqne | cCoef. t P>|t| std. Err. [95% Conf. Interval] 1price lincome -.4604611 3.37186 6.89398 -.8280926 .1838504 -4.50 0.000 -1.195724 2.399991 . 4860261 4.94 0.000 1.428121 _cons 5.92543 .4843662 12.23 0.000 4.95688 Based on the parameter estimates, what is the predicted effect of a 10% increase in price on the number of cars sold? What would be the effect of that price increase on the value of car sales?

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