Let the temperature distribution on a flat plate in degrees F be given by f(x, y),...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Let the temperature distribution on a flat plate in degrees F be given by f(x, y), where (x,y) are the coordinates of a typical point on the plate, measured in feet. Consider the points P(1, 1), Q(2,3) and R(-3,3). At the point P let the rate of change of change of temperature in the direction of the vector PQ be √5 °F per foot and in the direction of the vector PR be -2/√5°F per foot. (a) Find the direction in which the temperature decreases most rapidly at P, and find the magnitude of this rate of decrease. (b) If f(1, 1) = 20°F, then find the linear approximation to f(x, y) at P. Let the temperature distribution on a flat plate in degrees F be given by f(x, y), where (x,y) are the coordinates of a typical point on the plate, measured in feet. Consider the points P(1, 1), Q(2,3) and R(-3,3). At the point P let the rate of change of change of temperature in the direction of the vector PQ be √5 °F per foot and in the direction of the vector PR be -2/√5°F per foot. (a) Find the direction in which the temperature decreases most rapidly at P, and find the magnitude of this rate of decrease. (b) If f(1, 1) = 20°F, then find the linear approximation to f(x, y) at P.
Expert Answer:
Answer rating: 100% (QA)
ANSWER a To find the direction in which the temperature decreases most rapidly at point P we need to ... View the full answer
Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
Students also viewed these mathematics questions
-
lim (x.y)(0,0) x+y x*-y2 does not exist. (a) Show that (b) Find the slope of the surface z = xy cos(xy) at the point (1/2, 1) along y-direction. (c) The temperature distribution on a metal plate in...
-
In the flow of air at 20°C and 1 atm past a flat plate in Fig. P7.43, the wall shear is to be determined at position x by a floating element (a small area connected to a strain-gage force...
-
A lens is placed on a flat plate of glass to test whether its surface is spherical. (a) Show that the radius rm of the m th dark ring should be Where R is the radius of curvature of the lens surface...
-
You are given the following information concerning three portfolios, the market portfolio, and the risk-free asset: What is the Sharpe ratio, Treynor ratio, and Jensens alpha for eachportfolio?...
-
Describe the process followed when estimating uncollectible accounts under the percentage (aging) of receivables method.
-
Quantum dots, or qdots, are nanoscale crystals of semiconductor material that trap electrons in a potential well closely resembling the three-dimensional square well discussed in Section 35.4....
-
Difference and ratio estimation, mean-per-unit estimation, and probability proportional-to-size (PPS) sampling all express sampling results in dollars. How, though, does PPS sampling differ from the...
-
The chairperson of the department of management at Tech wants to forecast the number of students who will enroll in operations management next semester in order to determine how many sections to...
-
9. Construction sand is piled in a right cone that has a height of 30 feet and a diameter of 110 feet. The sand has a density of 98.0 lb/ft. a) Determine the volume of the cone to the nearest 0.1 ft....
-
Many institutions have fixed future liabilities to meet (such as pension payments) and they fund these future liabilities using default-free fixed income securities. When discount bonds of all...
-
25 ml of pickled brine was taken from an apple pickled with vinegar and diluted to 500 ml, 25 ml of this was taken and acidity was determined with 0.2 N (Factor: 1.05) NaOH. In the main trials, 6.3...
-
Describe the five major organizations governing the EU.
-
Why is exporting the most popular initial entry mode?
-
Under what conditions should a firm consider a greenfield strategy for FDI? An acquisition strategy?
-
Why do free trade areas develop rules of origin?
-
What factors could cause you to reject an offer from a potential licensee to make and market your firms products in a foreign market?
-
Alanis computes its overhead rates using practical volume, which is 3,400 units. The actual results for the year are as follows: Units produced: 3,100 Actual yield: 4,650 kg - I Direct materials...
-
A superior criticized a sales manager for selling high-revenue, low-profit items instead of lower-revenue but higher-profit items. The sales manager responded, My income is based on commissions that...
-
Vertically polarized microwaves traveling into the page are directed at each of three metal plates (a, b, c) that have parallel slots cut in them. (a) Which plate transmits microwaves best? (b) Which...
-
Capacitors are used in many applications where one needs to supply a short burst of relatively large current. A 100.0-F capacitor in an electronic flash lamp supplies a burst of current that...
-
What is the orbital radius of the electron in the n = 3 state of hydrogen?
-
Consider the multiple linear regression model fit to the baseball data in Problem 3.41. Problem 3.41 Consider the 2016 major league baseball data in Table B.22. While team ERA was useful in...
-
Consider the simple linear regression model fit to the rental price data from Problem 2.36. Data From Problem 2.36 Table B.24 contains data on median family home rental price and other data for 51 US...
-
Consider the multiple linear regression model fit to the rental price data in Problem 3.42. Problem 3.42 Table B.24 contains data on median family home rental price and other data for 51 US cities....
Study smarter with the SolutionInn App