Which of the following best describes heat transport between equatorial and polar regions: Group of answer choices Occurs mostly from latent heat of melting Occurs mostly from latent heat of condensation Distributes high amounts of solar energy received at the poles compared to the equator Occurs mostly from surface tension that is strongest in cold regions

Which of the following best describes heat transport between equatorial and polar regions: Group of answer choices Occurs mostly from latent heat of melting Occurs mostly from latent heat of condensation Distributes high amounts of solar energy received at the poles compared to the equator Occurs mostly from surface tension that is strongest in cold regions

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter5: Temperature And Heat

Section: Chapter Questions

Problem 5MC

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It is well known that wind makes the cold air feel much colder as a result of the wind chill effect that is due to the increase in the convection heat transfer coefficient with increasing air velocity. The wind chill effect is usually expressed in terms of the wind chill temperature (WCT), which is the apparent temperature felt by exposed skin. For outdoor air temperature of 0°C, for example, the wind chill temperature is 25°C at 20 km/h winds and -9°C at 60 km/h winds. That is, a person exposed to 0°C windy air at 20 km/h will feel as cold as a person exposed to -5°C calm air (air motion under 5 km/h). For heat transfer purposes, a standing man can be modeled as a 30-cm-diameter, 170-cm-long vertical cylinder with both the top and bottom surfaces insulated and with the side surface at an average temperature of 34°C. For a convection heat transfer coefficient of 15 W/m2·K, determine the rate of heat loss from this man by convection in still air at 20°C. What would your answer be if the…