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3 years ago

5

Some areas of the Earth receive more solar radiation than others. Which of the following results from the Sun's uneven heating o

f the Earth?

1 answer:

GuDViN [60]3 years ago

7 0

The core of the earth lets out radiation from under the ground which make the core responce of how volcano's errupt.

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The first step when doing<br> an<br> investigation is the observe a situation. True or false?

Sunny_sXe [5.5K]

Answer:

True! First step is to make objective observations.

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3 years ago

Read 2 more answers

Parallel rays of monochromatic light with wavelength 571nm illuminate two identical slits and produce an interference pattern on

Natasha2012 [34]

Answer:

$8.8\times 10^{-6} W/m^2$

Explanation:

We are given that

Wavelength, $\lambda=571 nm=571\times 10^{-9} m$

$1 nm=10^{-9} m$

R=75 cm= $\frac{75}{100}=0.75 m$

1 m=100 cm

$d=0.640 mm=0.64\times 10^{-3} m$

$1 mm=10^{-3} m$

$a=0.434 mm=0.434\times 10^{-3} m$

$y=0.830 mm=0.830\times 10^{-3} m$

$I_0=5.00\times 10^{-4}W/m^2$

$tan\theta=\frac{y}{R}$

$\theta=\frac{0.830\times 10^{-3}}{0.75\times 10^{-2}}$

$\theta=1.1\times 10^{-3}rad$

$tan\theta\approx \theta$

Because $\theta$ is small.

$\phi=\frac{2\pi dsin\theta}{\lambda}$

$\sin\theta\approx \theta$ ,

Therefore

$\phi=\frac{2\times\pi\times 0.64\times 10^{-3}\times 1.1\times 10^{-3}}{571\times 10^{-9}}$

$\phi=7.74 rad$

$\beta=\frac{2\pi a\theta}{\lambda}$

$\beta=5.3 rad$

$I=I_0cos^2(\frac{\phi}{2})(\frac{sin\frac{\beta}{2}}{\frac{\beta}{2}})^2$

$I=5\times 10^{-4}cos^2(\frac{7.74}{2})(\frac{sin\frac{5.3}{2}}{\frac{5.3}{2}})^2$

$I=8.8\times 10^{-6} W/m^2$

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3 years ago

The general formula for an acid is

Umnica [9.8K]

Answer:

To write the general formula for an acid, we fix one atom which is hydrogen because this atom is common to all the acids. General formula for acid is written by HX. where H represents Hydrogen atom.

Explanation:

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3 years ago

Many of the male characteristics come from which reproductive hormone?

motikmotik

Answer:

The answer is C. Testosterone.

Explanation:

Thats what make us a male.

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2 years ago

3. (Solids, Liquids) have no definite shape, but definite volume.<br> A)Solids <br> B)Liquids

JulijaS [17]

Answer:

b liquids

Explanation:

this is because liquids take the shape of their container while solids stay solid and do not change shape and solids, liquids and gases all have definite volume.

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2 years ago