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Elanso [62]
3 years ago
15

While hiking in the mountains, tanya observed a narrow and steep valley with a stream at the bottom of it. what most likely caus

ed the valley to first form?
Physics
2 answers:
leva [86]3 years ago
8 0

all of the answers that i have gotten off this website have been false ya'∞ll should be a shamed

Juliette [100K]3 years ago
5 0
Erosion over thousands of millennia from the stream or river in the valley
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Suppose a scoentist was able to construct a barometer with a liquid being denser than mercury , then how high would the liquid r
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Answer:

the liquid has less height than the mercury

      h_{ liquid} = \frac{\rho_{Hg} }{\rho_{liqid}}  \  h_{Hg}

Explanation:

The pressure as a function of the height is given by

        P = ρ g h

where ρ is the density of the liquid, g the acceleration of gravity and h the height reached by the column of the liquid

In that case they say that the pressure is the standard one that is P = 1.01 10⁵ Pa = 760 mmHg

The first way to give the pressure is in SI units and the second way is the height that the mercury column reaches

In the case of building a barometer with a liquid that has a density greater than that of mercury

            ρ_liquid > ρ_Hg

             

the pressure

              P =ρ_lquid g h_liquid

if we have the same pressure

            ρ_{Hg} g h_{Hg} = ρ_{liquid}  g h_{liquid}

            h_{ liquid} = \frac{\rho_{Hg} }{\rho_{liqid}}  \  h_{Hg}

therefore the liquid has less height than the mercury

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