Wind is caused by differences in air pressure. What makes air pressure different? Temperature differences. Color differences. Size differences.相关知识点: 试题来源: 解析 答案:Temperature differences。温度差异导致气压不同。选项 B 颜色差异与气压无关;选项 C 大小差异也与气压无关。
What is the purpose of an altimeter in an aircraft? A. To measure air pressure B. To measure the speed of the aircraft C. To measure the altitude of the aircraft D. To measure the distance to the destination 相关知识点: 试题来源: 解析 C ...
Pressure | Definition, Measurement & Examples from Chapter 7 / Lesson 2 138K Know how matter exerts pressure and learn its definition. Discover what gadget is used to measure air pressure along and how it works . Learn about the various units of pressure and their abbreviations such as atm...
Height of mercury in the manometer, {eq}h=55 \rm mm {/eq} Th... Learn more about this topic: Atmospheric Pressure | Overview, Formula & Units from Chapter 5/ Lesson 9 16K What is atmospheric pressure? Learn the definitio...
What is air pressure?
解析 气压用什么仪器测量回答:barometer 气压计 结果一 题目 what instrument is used to measure air pressure 翻译并回答 答案 气压用什么仪器测量 回答:barometer 气压计 相关推荐 1 what instrument is used to measure air pressure 翻译并回答 反馈 收藏 ...
Step 1: Understand the Definition of PressurePressure is defined as the force applied per unit area. Mathematically, this can be expressed as:Pressure(P)=Force(F)Area(A) Step 2: Identify the Units of Force and Area- The S.I. unit of force is the Newton (N).- The S.I. unit of ...
The value for the density of air at STP (Standard Temperatureand Pressure) depends on the definition of STP. The definition of the temperature and pressure isn't standard, so the value depends on who you consult. The ISA or International Standard Atmosphere states the density of air is 1.225...
1. Identify the SI Unit of Pressure: The SI unit of pressure is Pascal, which is denoted by the symbol "Pa". 2. Define Pascal: One Pascal is defined as the pressure exerted by a force of one Newton acting on an area of one square meter. 3. Express the Definition Mathematically: ...
There is a pressure gradient that causes the blood to flow from the capillaries to the outside of the skin. What is this pressure difference? The pressure inside the capillaries is at most 35 torr. The atmospheric pressure is 760 torr, which seems strange;how are we able to ...