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Elenna [48]
3 years ago
8

Cara is building a model of the solar system, which includes the Sun. She plans to include a written description to provide deta

ils about each piece in her model. In order for her model to be realistic, which of the following should she include in her representation of the Sun?
She should show that sunspots can ve seen as white areas on the Sun's surface.


She should explain that the Sun is made up of gaseous layers that surround an iron core.


She should show that the Sun revolves around the planets, determining the length of the year.


She should explain that the Sun rotates, even though different parts rotate at different rates.
Physics
1 answer:
Paladinen [302]3 years ago
6 0

Answer:

She should explain that the Sun is made up of gaseous layers that surround an iron core.

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A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave? Group of answer choices
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A bird flies from the South Pole to the North Pole.part of the journey is 1,000 miles that takes 2 weeks,what is the birds veloc
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7 0
3 years ago
A force in the x direction acts on a particle moving also in the x direction, producing a potential energy U(x)=Ax4 where A=0.63
poizon [28]

Answer:

The magnitude of the force is 1.29*10^-3N in the positive x direction

Explanation:

In order to calculate the magnitude and direction of the force, you take into account that the force is the space derivative of the potential enrgy, as follow:

F(x)=-\frac{dU(x)}{dx}     (1)

where:

U(x)=Ax^4\\\\A=0.0630\frac{J}{m^4}

You replace the expression for U into the equation (1) and solve for F:

F(x)=-\frac{d}{dx}[Ax^4]=-4Ax^3     (2)

The force on the particle, for x = -0.080m is:

F=-4(0.630\frac{J}{m^4})(-0.0800m)^3=1.29*10^{-3}N

The magnitude of the force is 1.29*10^-3N in the positive x direction

7 0
3 years ago
PLZ HURRY GOTTA HAVE IT DONE BEFORE MY MOM GETS HOME SHES 5 MINS AWAY!!!!!!!
Pie

Answer:

The answer is B the products of photosynthesis are the reactants of cellular respiration

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