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Novosadov [1.4K]
2 years ago
14

The owner of a window treatment company wants to design Shades that will cover the windows of the house. the shades should also

warm the house by maximizing the absorption
of solar energy coming through the windows which kind of material would best accomplish this task?
Physics
2 answers:
Andreyy892 years ago
7 0
Use a thin, flexible sheet of aluminum, and paint it black.
prohojiy [21]2 years ago
5 0
<span>black and textured is the answer.</span>
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What is the frequency of radiation emitted by a photon of light if the energy released during its transition to ground state is
miskamm [114]
If i was feeling harsh today, I'd say the answer to your question is impossible to obtain due to the fact that photons do not emit radiation, photons ARE the radiation emitted. Though for the sake of it, here is the method...

<u>The simple method:
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E=hf

therefore f=e/h

f=(3.611x10^-15) / 6.63x10^-34)

Answer: 5.45x10^18
3 0
3 years ago
A ball is kicked horizontally from a 60 meter tall cliff at 10 m/s. How far from
o-na [289]

Hi there!

We can begin by deriving the equation for how long the ball takes to reach the bottom of the cliff.

\large\boxed{\Delta d = v_it+ \frac{1}{2}at^2}}

There is NO initial vertical velocity, so:

\large\boxed{\Delta d= \frac{1}{2}at^2}}

Rearrange to solve for time:

2\Delta d = at^2\\\\t = \sqrt{\frac{2\Delta d}{g}}

Plug in the given height and acceleration due to gravity (g ≈ 9.8 m/s²)

t = \sqrt{\frac{2(60)}{(9.8)}} = 3.5 s

Now, use the following for finding the HORIZONTAL distance using its horizontal velocity:

\large\boxed{d_x = vt}\\\\d_x = 10(3.5) = \karge\boxed{35 m}

6 0
2 years ago
What does it mean when a wave’s amplitude increases?
sashaice [31]

Answer:

the wave is carrying more energy

Explanation:

trust me broski

7 0
2 years ago
Which statement correctly describes the differences between positive and negative acceleration?
damaskus [11]
In my opinion, the third answer makes the most sense
7 0
3 years ago
A beam of unpolarized light with intensity I0 falls first upon a polarizer with transmission axis θTA,1 then upon a second polar
loris [4]

Answer:

The intensity I₂ of the light beam emerging from the second polarizer is zero.

Explanation:

Given:

Intensity of first polarizer = Io/2

For the second polarizer, the intensity is equal:

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5 0
3 years ago
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