3 years ago

How does the doppler effect affect the velocity from a sourse that is approaching you?

1 answer:

3 0

The apparent change in the frequency of a sound caused by the motion of either The Listener or the source of the sound

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Sphinxa [80]

It would increase
because the force is directly proportional to the Value of masses given

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xxTIMURxx [149]

I believe the last one about the bike is correct.

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3 years ago

Oksana_A [137]

Answer:

$m=1.01\times 10^6\ kg$

Explanation:

Given that,

Pressure, P = 1 atm = 101325 Pa

Area of the square surface, A = 10² = 100 m²

We need to find the mass of vertical column of air. We know that, pressure is equal to the force acting per unit area. So,

$P=\dfrac{mg}{A}\\\\m=\dfrac{PA}{g}\\\\m=\dfrac{101325\times 10^2}{10}\\\\m=1.01\times 10^6\ kg$

So, the required mass of the vertical column of air is $1.01\times 10^6\ kg$ .

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REY [17]

The answer is B) titan

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3 years ago