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(a) Estimate the values of f(-15, 30) and f(-15, 30). (Round your answers to two decimal place f-15, 30)

(a) Estimate the values of f(-15, 30) and f(-15, 30). (Round your answers to two decimal place f-15, 30)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The wind-chill index W is the perceived temperature when the actual temperature is T and the wind speed is v, so we can write W=F(T, V). Wind speed (km/h) 40 50 20 -18 <-20 -21 <-22 -23 -23 -15 -24 -26 -27 -29 -30 -30 -20 -30 -33 -34 <-35 -36 -37 <-37 -39 <-41 <-42 D T -10 -25 Need Help? 30 (a) Estimate the values of f(-15, 30) and (-15, 30). (Round your answers to two decimal places.) f(-15, 30) f-15, 30) 60 What are the practical interpretations of these values? When the actual temperature is -15°C and the wind speed is 30 km/h, the apparent temperature -Select- by about 70 (c) What appears to be the value of the following limit? limaw = v→∞ dv -43 -44 When the actual temperature is -15°C and the wind speed is 30 km/h, the apparent temperature -Select-- by about (b) In general, what can you say about the signs of W/3T and JW/av? For a fixed wind speed v, the values of the wind-chill index W-Select-as temperature T increases, so aw JT Read It For a fixed temperature 7, the values of W decrease (or remain constant) as v-Select-- , so aw av Talk to a Tutor is-Select--- is-Select- °C for every degree that the actual temperature rises. °C for every km/h that the wind speed increases.
Transcribed Image Text:The wind-chill index W is the perceived temperature when the actual temperature is T and the wind speed is v, so we can write W=F(T, V). Wind speed (km/h) 40 50 20 -18 <-20 -21 <-22 -23 -23 -15 -24 -26 -27 -29 -30 -30 -20 -30 -33 -34 <-35 -36 -37 <-37 -39 <-41 <-42 D T -10 -25 Need Help? 30 (a) Estimate the values of f(-15, 30) and (-15, 30). (Round your answers to two decimal places.) f(-15, 30) f-15, 30) 60 What are the practical interpretations of these values? When the actual temperature is -15°C and the wind speed is 30 km/h, the apparent temperature -Select- by about 70 (c) What appears to be the value of the following limit? limaw = v→∞ dv -43 -44 When the actual temperature is -15°C and the wind speed is 30 km/h, the apparent temperature -Select-- by about (b) In general, what can you say about the signs of W/3T and JW/av? For a fixed wind speed v, the values of the wind-chill index W-Select-as temperature T increases, so aw JT Read It For a fixed temperature 7, the values of W decrease (or remain constant) as v-Select-- , so aw av Talk to a Tutor is-Select--- is-Select- °C for every degree that the actual temperature rises. °C for every km/h that the wind speed increases.
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