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Anarel [89]
3 years ago
12

Gravity is a force that pulls things

Physics
1 answer:
Katena32 [7]3 years ago
8 0

Answer:

down and towards it

Explanation:

just because it is man

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A green plant has Chemical energy.

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Before the widespread use of computers, how was the epicenter of an earthquake determined?
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Air flows through a nozzle at a steady rate. At the inlet the density is 2.21 kg/m3 and the velocity is 20 m/s. At the exit, the
Vitek1552 [10]

To solve the problem, it is necessary to apply the concepts related to the change of mass flow for both entry and exit.

The general formula is defined by

\dot{m}=\rho A V

Where,

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V = Velocity

Our values are divided by inlet(1) and outlet(2) by

\rho_1 = 2.21kg/m^3

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PART A) Applying the flow equation we have to

\dot{m} = \rho_1 A_1 V_1

\dot{m} = (2.21)(60*10^{-4})(20)

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PART B) For the exit area we need to arrange the equation in function of Area, that is

A_2 = \frac{\dot{m}}{\rho_2 V_2}

A_2 = \frac{0.2652}{(0.762)(160)}

A_2 = 2.175*10^{-3}m^2

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3 0
3 years ago
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Nezavi [6.7K]

Answer:

4

Explanation:

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If a freely suspended vertical spring is pulled in downward direction and then released, which type of wave is produced in the s
larisa [96]

Answer:

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3 0
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