Jammiesflair
Answered

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A bird flies at a
height of 30cm,
find the hydrostatic pressure? where
density= 1.20 kg/m3, g = 9.8 m/s​

Sagot :

chahat7280

Explanation:

When you rise from lounging in a warm bath, your arms feel strangely heavy. This is because you no longer have the buoyant support of the water. Where does this buoyant force come from? Why is it that some things float and others do not? Do objects that sink get any support at all from the fluid? Is your body buoyed by the atmosphere, or are only helium balloons affected? (See Figure 1.)

In figures a and b, an anchor and submarine experience buoyancy due to water. In figure c, helium-filled balloons float due to the buoyancy of air.

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