The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity hp. It is given by HI =– 42 + 2T + 10h, – 0.22TH, – 1.99T.,². a. If the air temperature in your area is 107°F with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2ºF sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in per your area is 107°F with a relative humidity of 8%?
The heat index (HI) is an estimate of the temperature felt by the human body based on the actual measured air temperature T (in °F) and relative humidity hp. It is given by HI =– 42 + 2T + 10h, – 0.22TH, – 1.99T.,². a. If the air temperature in your area is 107°F with a relative humidity of 8%, how hot does your body feel? b. If the air temperature and relative humidity is known to be increasing at a rate of 2ºF sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in per your area is 107°F with a relative humidity of 8%?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter38: Achievement Review—section Three
Section: Chapter Questions
Problem 6AR
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The heat index (HI) is given by HI =−42+2T +10hr −0.22Thr −1.99T2hr2.
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If the air temperature in your area is 1070F with a relative humidity of 8%, how hot does your body feel?
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If the air temperature and relative humidity is known to be increasing at a rate of 20F per sec and 1% per sec, resp., how fast is the heat index changing at the moment when the air temperature in your area is 1070F with a relative humidity of 8%
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