1. What type of heat transfer occurs as you stick your hand into a warm pool and you can feel the heat of the water?
2.What type of heat transfer occurs when a heating lamp is keeping food orders warm at a restaurant?
3. What type of heat transfer occurs when a pot of boiling water is set on the counter and partially melts the counter?
4. You measure a cup of water at 80 °C and a gallon of water at the same temperature, which one has more thermal energy and why?
5. You measure a 1 inch steel cube at 100 °C and a 4 inch aluminum cube at 70 °C, which has more kinetic energy and why?
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Ответ:
Explanation is in the file
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Ответ:
It closes as the left ventricle contracts, preventing blood from returning to the left atrium; thereby, forcing it to exit through the aortic valve into the aorta. The left atrium receives oxygenated blood from the lungs through the pulmonary vein.