An ambulance traveled on roads from the hospital 14 kilometers east, then 16 kilometers north to reach an accident. If the ambul
1 answer:
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Answer:
7.5 cm
Explanation:
In the figure we can see a sketch of the problem. We know that at the bottom of the U-shaped tube the pressure is equal in both branches. Defining Ethyl alcohol density and
Glycerin density , we can write:
Simplifying:
On the other hand:
Rearranging:
Replacing (2) in (1):
Rearranging:
Data:
