Height(m) Wind Speed (m/s) Wind Direction Air Temperature(°C) (deg) 5 2.2 194 8.58 10 2.7 194 8.81 20 3.5 202 9.08 40 5.4 217 10.15 80 8.2 234 12.19 120 9.1 248 12.96

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Given the following measurements of mean winds and temperature from a 200-m mast in Netherlands on a September night:


Table 1. Measurements of mean winds and temperature from a 200-m mast in Netherlands on a September night. (Refer to the picture attached)

Solve for the friction velocity (U*).

Formula: The fundamental scaling velocity, equal to the square root of the surface stress, to, divided by the air density. 

I am not that sure with the formula but can you please try it for me :) Please help thank you so much! :)

Height(m)
Wind Speed (m/s)
Wind Direction
Air Temperature(°C)
(deg)
5
2.2
194
8.58
10
2.7
194
8.81
20
3.5
202
9.08
40
5.4
217
10.15
80
8.2
234
12.19
120
9.1
248
12.96
160
8.7
246
12.86
200
7.8
250
12.63
Transcribed Image Text:Height(m) Wind Speed (m/s) Wind Direction Air Temperature(°C) (deg) 5 2.2 194 8.58 10 2.7 194 8.81 20 3.5 202 9.08 40 5.4 217 10.15 80 8.2 234 12.19 120 9.1 248 12.96 160 8.7 246 12.86 200 7.8 250 12.63
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