Answer:
285
Explanation:
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Answer:
about: 110.14 million mi
Explanation:
the distance to Mars from Earth is 140 million miles (225 million kilometers).But, distance to Mars from Earth is constantly changing.
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Answer:
This is due to the relative melting points of the different layers (nickel–iron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases We have the inner core, outer core, mantle and crust which play an important role on Earth.
Answer:
t = 9.16 10⁻⁸ m
Explanation:
In this exercise we fear a case of interference by reflection,
We have two aspects
* when the light ray passes from the air to the TiO2 that has a higher refraction start, the reflected ray has a phase change of 180º
* when the beam is inside the material its wavelength changes
λₙ = λ₀ / n
with these two done the equation for destructive interference remains
2t = m λₙ
2nt = m λ₀
They ask us for the thickness t of the film for m = 1
t = m λ₀ / 2n
let's calculate
t =
t = 9.16 10⁻⁸ m
Answer:
Explanation:
The formula for density is:
where <em>m</em> is the mass and <em>v</em> is the volume.
The mass is 0.45 kilograms and the density is 13.6 grams per milliliter. The density is given in grams, so we must convert the mass.
There are 1000 grams in 1 kilogram or . We can multiply the mass by this ratio.
Now we have values for the mass and density:
Cross multiply.
We are trying to find the volume, so we must isolate that variable.
13.6 and v are being multiplied. The inverse of multiplication is division. Divide both sides by 13.6
The grams will cancel.
The volume is about 33.088 milliliters.