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2 years ago

2 ways in which a weather satellite can orbit the earth

Physics

2 answers:

avanturin [10]2 years ago

6 0

Answer:

The two most common types of orbit are "geostationary" and "polar."

zvonat [6]2 years ago

6 0

Answer:2 ways in which a weather satellite can orbit the earth

Explanation:

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The sun emits energy in the form of electromagnetic waves produced by nuclear reactions deep in the sun's interior. Assume that

tatiyna

Answer:

I = W / 4π R_{s}², P = W / 2π c R_{s}², Io /I_{earth} = 10⁴

Explanation:

The intensity is defined as the ratio between the emitted power and the area of the spherical surface

I = P / A

Since the emitted power is constant and has a value of W for this case, let's look for the area of the sphere on the surface of the sun

A = 4π $R_{s}$ ²

I = W / 4π R_{s}²

.- The radiation pressure for total absorption is

P = S / c

Where S is the Pointer vector that is equal to the intensity

Let's replace

P = W / 2π c R_{s}²

.- We repeat for r = R_{s}/2

I₂ = W / 4π (R_{s}/ 2)²

I₂ = 4 W / 4π R_{s}²

I₂ = 4 Io

I₀ = W / 4piRs2

We calculate the radiation pressure

P₂ = I₂ / c

P₂ = 4 I₀ / c

P₂ = 4 (W / 4pi c Rs2)

.- the relationship between these magnitudes is

I₂ / I₀ = 4

P₂ / P₀ = 4

Let's calculate the intensity on the surface where the Earth is

r = 1.50 10¹¹ m

$I_{earth}$ = W / 4π r²

Io / I_{earth} = r² / $R_{s}$ ²

Io /I_{earth} = (1.5 10¹¹ / 6.96 10⁸) 2

Io /I_{earth} = 4.6 10⁴

Io /I_{earth} = 10⁴

4 0

3 years ago

A constant electric field of 5.00 N/C points along the positive x-direction. An electron, initially at rest, moves a distance of

Genrish500 [490]

Answer:

1.875 x 10⁶ m /s .

Explanation:

Force on electron = E e where E is electric field and e is charge on electron

acceleration generated = Ee / m where m is mass of the electron .

Putting the values

acceleration generated = 5 x 1.6 x 10⁻¹⁹ / 9.1 x 10⁻³¹

= .879 x 10¹² m /s²

v² = u² + 2 as , initial velocity u = 0 , displacement s = 2 m

v² = 0 + 2 x .879 x 10¹² x 2

v = 1.875 x 10⁶ m /s .

7 0

2 years ago

Can something change states of matter how do you know

belka [17]

Yes, it can change states of matter from heat. Like ice, ice changes it’s state of matter from the temperature it is in, which causes it to turn into a liquid.(another form of matter) Again with heat, if water is boiled to a certain temperature it converts to a gas. Now with cold. If water is at such a coke temperature it will turn to ice, a form of matter. Now when a gas is cooled down, the atoms comprising the gas have less energy to move around.

4 0

2 years ago

A man is walking away from a lamppost with a light source h = 6 m above the ground. the man is m = 2 m tall. how long is the man

Llana [10]

Answer;

= 4 m is the length of the man's shadow.

Explanation;

2/x=6/(8+x) cross multiply.

6x=2(8+x)

6x=16+2x

6x-2x=16

4x=16

x=2=16/4

x=4 m. is the length of the man's shadow.

3 0

3 years ago

A 9,100-microfarad [muF] capacitor is charged to 22 volts [V]. If the capacitor is completely discharged through an iron rod

MakcuM [25]

Answer:

The temperature rises by 0.52K

Explanation:

Detailed explanation and calculation is shown in the image below

5 0

3 years ago