What is the Proper Air Pressure What's the best tire pressure for your weight, riding area, and the tires you ride? Learn from the Pro's Adam Craig and Carl Decker of the Giant Factory Off-Road Team.
A. It increases. B. It stays the same. C. It decreases. D. It first increases then decreases. 相关知识点: 试题来源: 解析 C。解析:随着海拔高度增加,气压会降低。因为随着高度升高,上方空气柱的重量减小。A选项气压是降低而非增加,B选项气压会改变而不是保持不变,D选项气压是持续降低而不是先增加...
20 What causes the air pressure in the lungs to decrease during breathing in? A A contraction of the external intercostal muscles and diaphragm B expansion of the lungs causing a decrease in the volume of the alveoli C outward movement of the ribs and upward movement of the diaphragm D highe...
What is air pressure?
Upon impact, the apple comes to rest in 0.1 s, and 4 cm2 of the apple comes into contact with the surface during the impact. What is the average pressure exerted on the apple during the impact? Ignore air resistance. (A) 67,000 Pa (B) 21,000 Pa (C) 6,700 Pa (D) 210 Pa (...
[2]In what researchers claim isthe first-ever trial of the effect of water consumption on weight loss,scientists from Virginia Tech found that dieters who started each meal with twoglasses of water lost nearly five pounds more, on average, than dieters who didnot, over the course of 12 ...
What is a high-pressure center of dry air called? What is the relationship between the dew point and cloud formation? What is the average atmospheric pressure? What weather instrument is used to measure the dew point? Can the dew point be higher than temperature?
What are the two main characteristics of an ideal gas ? 01:31 For an ideal gas, interval energy can only be translational K.E. Why ? 02:27 What is the average velocity of the molecules of an ideal gas ? 02:20 On driving the scooter for a long time, the air pressure in the tyres...
What unit is air pressure measured in? Air Pressure: Air pressure is the weight of the air pushing against a particular area. While we may not think much about air having weight, the gravitational force of the Earth still acts on the atoms of the gases in the atmosphere, pulling them tow...
Positive air pressure is a must if you work in the CDC or Center for Disease Control. In their level four containment facilities they always maintain air pressure very carefully. These level four containment facilities contain the most deadly diseases on the earth and they need to be contained....