To solve this problem it is necessary to use the concepts related to pressure. The pressure can be defined as
Due to the continuity and pressure conservation relationship, the pressure must be preserved to support the weight (gravity) and to lift it (lift)
In this way,
That is equal to
We have a ratio of A/a = 10, then
Therefore the force required to do the lifting is 147.15N
<span>Answer: b. air pressure
</span>The weather station model purpose is giving information about the weather. The information including the temperature, the air pressure, the direction of the wind and other things. The air pressure will be detected using a barometer.
The weather station doesn't give altitude/latitude or air mass.
Answers: Disposable hand warmers turn up the heat in your mittens by means of an exothermic reaction that, in essence, just creates rust. Each pouch typically contains iron powder, salt, water, an absorbent material, and activated carbon. -or- The chemical reaction that takes place in hand warmers is exothermic, meaning it releases excess energy as heat. That's why you can mix a few chemicals to warm your hands!
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