At what temperature (in °C) does still air cause the same chill factor as 0°C air moving at 10 m/s?
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- People that live at high altitudes often notice that sealed bags of food are puffed up because the air inside has expanded since they were sealed at a lower altitude. In one example, a bag of potato chips was packed at a pressure of 1.00atm and a temperature of 20.5 degrees celcius. The bag was then transported to Santa Fe. The sealed bag of potato chips then finds its way to a summer picnic where the temperature is 31.6 degrees celcius, and the volume of air in the bag has increased to 1.4 times its original value. At the picnic in Santa Fe, what is the pressue, in atmospheres, of the air in the bag?On the moon the surface temperature ranges from 359 K during the day to 0.99 ✕ 102 K at night.(a) What are these temperatures on the Celsius scale? °C to °C(b) What are these temperatures on the Fahrenheit scale? °F to °FA student walking to class on a cold day (To = -1 °C) find a silver ring with an inner diameter of D = 1.5 cm. The silver has a coefficient of linear expansion of α = 18.5 × 10-6 1/C. a.) Input an expression for the rings inner diameter Dh when the student warms it to their body temperature, Tb b.) What is the change in diameter in units of millimeters if Tb=37 degrees C?
- The exterior walls of a house have a total area of 194 m2 and are at 12.4°C and the surrounding air is at 7.4° C. Find the rate of convective cooling of the walls, assuming a convection coefficient of 2.9 W/(m2·°C). Since you're looking for the rate of cooling, your answer should be entered as positiveInternal human body temperature is often stated to be normal at 98.6°F. What is this temperature on the Celsius and Kelvin scales? (b) Gallium boils at 2205°C. What is the corresponding temperature in the Fahrenheit and Kelvin scales? (c) The boiling point of liquid nitrogen is 77.0 K. What is corresponding temperature in the Fahrenheit and Celsius scales?An apartment has the dimensions 16 m by 8 m by 5 m. The temperature is 30°C, and the relative humidity is 51 percent. What is the total mass (in kg) of water vapor in the air in the apartment?