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3 years ago

Why does the mirror get misty when someone uses the shower ??

2 answers:

const2013 [10]3 years ago

6 0

The steam from the shower's hot water comes into contact with a cool surface(the mirror) and the steam condenses from a gas into a liquid on the mirror.

Colt1911 [192]3 years ago

3 0

The steam from the shower's hot water comes into contact with a cool surface(the mirror) and the steam condenses from a gas into a liquid on the mirror.

Explanation:

The fog within the mirror is that the condensation of water vapor because it touches a colder surface. By running cold water you only quiet down the bathtub tub and everything around it. currently the vapor coming back from the recent shower can principally condense right there and can not reach the mirror.

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What eccentricity value results in a circular orbit?

Oxana [17]

Answer:

Zero

Explanation:

Given the equation of an ellipse:

$\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

The eccentrity of an ellipse is given by:

$e=\sqrt{1-\frac{b^2}{a^2}}$

For a circle, we have

$a=b$

Therefore the eccentricity of a circle is

$e=\sqrt{1-\frac{1^2}{1^2}}=0$

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3 years ago

At what age can a person begin taking actions that will reduce the risk of dementia

Snowcat [4.5K]

Answer:

Any time bud, keep good health

Balance your blood sugar with a whole-foods, low-glycemic diet. ...

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Explanation:

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3 years ago

A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that has area of 0.700 m2 .

Annette [7]

Answer

given,

Area = 0.7 m²

electric field of wave = 0.0400 V/m

time = t =30 s

intensity of electromagnetic wave

$I = \dfrac{E_0^2}{2\mu_0c}$

$E_0^2 = 2 E_{rms}^2$

c is speed of light

$I = \dfrac{2E_{rms}^2}{2\mu_0c}$

$I = \dfrac{E_{rms}^2}{\mu_0c}$

$I = \dfrac{0.04^2}{4\pi \times 10^{-7}\times 3 \times 10^8}$

I = 4.24 x 10⁻⁶ W/m²

the amount of energy required

E = I A t

E = 4.24 x 10⁻⁶ x 0.7 x 30

E = 8.9 x 10⁻⁵ J

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