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# BIO Temperatures in Biomedicine. (a) Normal body ISBN: 9780321675460 31

## Solution for problem 2E Chapter 17

University Physics | 13th Edition

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Problem 2E

BIO Temperatures in Biomedicine. (a) Normal body temperature. The average normal body temperature measured in the mouth is 310 K. What would Celsius and Fahrenheit thermometers read for this temperature? (b) ?Elevated body temperature. During very vigorous exercise, the body’s temperature can go as high as 40o C. What would Kelvin and Fahrenheit thermometers read for this temperature? (c) ?Temperature difference in the body. The surface temperature of the body is normally about 7 Co lower than the internal temperature. Express this temperature difference in kelvins and in Fahrenheit degrees. (d) Blood storage. Blood stored at 4.0o C lasts safely for about 3 weeks, whereas blood stored at – 160o C lasts for 5 years. Express both temperatures on the Fahrenheit and Kelvin scales. (e) Heat stroke. If the body’s temperature is above 105o F for a prolonged period, heat stroke can result. Express this temperature on the Celsius and Kelvin scales.

Step-by-Step Solution:

Solution 2E BIO Temperatures in Biomedicine Problem (a) Step 1: Temperature of mouth T = 310K K To find it in °C and °F T = T - 273.15 C K T C = 310-273.15 T C = 36.85°C Step 2: In °F T F = 1.8(T C+ 32 T F = 1.8*36.85 + 32 T F = 98.33°F Celsius and Fahrenheit thermometers will read the temperatures as 36.85°C and 98.33°F Elevated body temperature Problem (b) Step 1: Body temperature after exercise in celsiTsC = 40°C Step 2: In K T K = C + 273.15 T K = 40+273.15 T K = 313.15K Step 3: In F T F = 1.8(T C+ 32 T F = 1.8*40+ 32 T F = 40°F Temperature difference in body Problem (c) Step 1: Difference in surface temp to body temp = 7°C In K T = T + 273.15 K C T = 7+273.15 K T K = 280.15.5K Step 2: In F T F = 1.8(T C+ 32 T F = 1.8*7+ 32 T F = 44.6°F Blood Storage Problem (d) Step 1: (i)For 3 weeks T C = 4°C Step 2: (i)In K T K = T C + 273.15 T K = 4+273.15 T K = 277.15.5K Step 3: In F T F = 1.8(T C+ 32 T F = 1.8*4+ 32 T F = 39.2°F Step 4: (ii)For 5 years T C = 160°C In K T K = T C + 273.15 T K = 160+273.15 T K = 433.15K Step 5: In F T F = 1.8(T C+ 32 T F = 1.8*160+ 32 T F = 320°F Heat Stroke Step 1: Heat stroke happens at prolonged exposure to heat in 105°F Step 2: To convert it to C and F Scale In C T = (T -32)x5 C F 9 T = (105 - 32)*0.556 C T = 40.56°C C

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##### ISBN: 9780321675460

Since the solution to 2E from 17 chapter was answered, more than 299 students have viewed the full step-by-step answer. This full solution covers the following key subjects: temperature, body, fahrenheit, express, Blood. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “BIO Temperatures in Biomedicine. (a) Normal body temperature. The average normal body temperature measured in the mouth is 310 K. What would Celsius and Fahrenheit thermometers read for this temperature? (b) ?Elevated body temperature. During very vigorous exercise, the body’s temperature can go as high as 40o C. What would Kelvin and Fahrenheit thermometers read for this temperature? (c) ?Temperature difference in the body. The surface temperature of the body is normally about 7 Co lower than the internal temperature. Express this temperature difference in kelvins and in Fahrenheit degrees. (d) Blood storage. Blood stored at 4.0o C lasts safely for about 3 weeks, whereas blood stored at – 160o C lasts for 5 years. Express both temperatures on the Fahrenheit and Kelvin scales. (e) Heat stroke. If the body’s temperature is above 105o F for a prolonged period, heat stroke can result. Express this temperature on the Celsius and Kelvin scales.” is broken down into a number of easy to follow steps, and 152 words. The full step-by-step solution to problem: 2E from chapter: 17 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460.

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