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Lostsunrise [7]
4 years ago
7

A 1/10th scale model of an airplane is tested in a wind tunnel. The reynolds number of the model is the same as that of the full

scale airplane in air. The velocity in the wind tunnel is then
Physics
1 answer:
trasher [3.6K]4 years ago
7 0

Answer:

of the velocity of a full size plane in the air

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What mass of silver will occupy a volume of 87.75 mL?<br>The density of silver is 10.49 g/mL.​
Anastaziya [24]

Answer:

The mass of silver that will occupy a volume of 87.75 mL is 920.5 grams.

Explanation:

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space. In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance. Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density=\frac{mass}{volume}

So the density of silver is 10.49 g / mL indicates that 10.49 g occupies a volume of 1 mL. Then a rule of three can be applied in the following way: if in 1 mL a mass of 10.49 g is occupied, in 87.75 mL how much mass will it occupy?

mass=\frac{87.75 mL*10.49 g}{1 mL}

mass= 920.5 g

<u><em> The mass of silver that will occupy a volume of 87.75 mL is 920.5 grams.</em></u>

5 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
den301095 [7]
A: 0.7 -0.8 and 0hrs
B: 0.2 - 0.4 and 1.0 -1.1 hrs
C: 0-0.2 hrs and 0.8 - 1.0 hrs
D: 0.4 - 0.7 hrs
4 0
3 years ago
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300kg of water are lifted 10m vertically in 5s show the work done in 30kj and that power is 6kw . Please help me​
Mandarinka [93]

Answer:

6KW

Explanation:

The computation is shown below:

We know that

Work done= m ×g× h

Here

W= 300×10×10

= 30000 J

= 30 KJ

And

Power= Work done ÷time taken

 P = 30000 ÷ 5

= 6000W

= 6KW

The above represent the answer

3 0
3 years ago
what is the mass number in atomic mass units of an atom with 14 protons, 14 electrons, and 16 neutrons
lozanna [386]

28.090.............................................

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3 years ago
Which other element is most likely to be a non-reactive gas
DiKsa [7]

Answer:

C

Explanation:

5 0
3 years ago
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