Answer:
0.139 rad
Explanation:
We use Snell's law , where if
is the <em>refractive index</em> of the medium containing the <em>incident ray</em>,
would be the <em>incident angle</em>, and if
is the <em>refractive index</em> of the medium containing the <em>refracted ray</em>,
would be the <em>refraction angle</em>, which we want, so we do:
And finally:
We then insert our values:
<em>Mass of fuel has the airplane took on = 167.89 kg</em>
Density is a quantity derived from the mass and volume
density is the ratio of mass per unit volume
With the same mass, the volume of objects that have a high density will be smaller than objects with a smaller type of mass
The unit of density can be expressed in g / cm3 or kg / m3
ρ = density
m = mass
v = volume
A common example is the water density of 1 gr / cm3
If we look at fuel capacity data such as Airbus which has a maximum capacity of 204, 5 liters then the mass of fuel it carries is
ρ = 0.821 gr / ml = 0.821 kg / l
mass = 0.821 kg / l . 204.5 liters
mass = 167.89 kg
So the mass of fuel carried by aircraft is 167.89 kg
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Keywords: density, mass, volume, aircraft, fuel, derivative quantities
