College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 13, Problem 8PE
(a) At what temperature do the Fahrenheit and Celsius scales have the same numerical value? (b) At what temperature do me Fahrenheit and Kelvin scales have the same numerical value?
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A European recipe calls for a cake to be baked at 176 Celsius.Of course we have stoves with dials that read in Fahrenheit, isn't that always the case?(a) What is this temperature in degrees Fahrenheit?(b) What is it in Kelvin?
(a) On a fine spring day you notice that the temperature is 75 °F. What is the corresponding temperature on the Celsiusscale? (b) If the temperature on a brisk winter morning is -2.0 °C, what is the corresponding Fahrenheit temperature?
(a) Normal body temperature.The average normal body temperature measured in the mouthis 310 K. What would Celsius and Fahrenheit thermometers read forthis temperature? (b) Elevated body temperature. During very vigorousexercise, the body’s temperature can go as high as 40°C. Whatwould Kelvin and Fahrenheit thermometers read for this temperature?(c) Temperature difference in the body. The surface temperature ofthe body is normally about 7 C°lower than the internal temperature.Express this temperature difference in kelvins and in Fahrenheit degrees.(d) Blood storage. Blood stored at 4.0°C lasts safely for about 3 weeks,whereas blood stored at -160 C lasts for 5 years. Express both temperatureson the Fahrenheit and Kelvin scales. (e) Heat stroke. If the body’stemperature is above 105°F for a prolonged period, heat stroke can result.Express this temperature on the Celsius and Kelvin scales.
Chapter 13 Solutions
College Physics
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