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Zanzabum
4 years ago
10

Why do the planets orbit the sun

Physics
1 answer:
Murljashka [212]4 years ago
4 0
The basic reason why theplanets revolve around, or orbit, the Sun, is that the gravity of the Sun keeps them in their orbits. Just as the Moonorbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sunbecause of the pull of the Sun's gravity.
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Plss help I will mark brainliest
MakcuM [25]

Explanation:

the correct answer is the last one

7 0
3 years ago
A homeowner installs an electrical heated mirror into the shower room. When a person has a shower, the heated mirror does not go
galina1969 [7]
This is most likely because a heated mirror will evaporate any water condensation from the shower that tries to accumulate onto it.
6 0
3 years ago
Read 2 more answers
What is the momentum of a 4 kg object moving west at 4 m/s?*
Grace [21]

Answer:

16kg*m/s west

Explanation:

P=M*V

Momentum= Mass time velocity, plug it into the formula,

M is 4 and V is 4, 4*4=16, and since the object is moving west its going to be west.

basically saying in simpler terms,

16=4*4

4 0
3 years ago
If the capacity of the lungs of an adult were 3.8 L, how many moles of air would the lungs contain at body temperature and atmos
Ahat [919]

Answer:

  • 0.14955  mol

Explanation:

We can solve this problem using the ideal gas law

P \ V = \ n \ R \ T

where P is the pressure, V the volume, n the number of moles, R the ideal gas constant and T the temperature.

We can use the atmospheric pressure as 1 atm, and the body temperature as 36.5 °C, in Kelvin this is:

T_{body} = 36.5 \° C = (36.5 + 273.15) K = 309.65 \ K

The ideal gas constant is:

R = 0.082057 \frac{L \ atm}{ K \ mol}

taking all this in consideration, the number of moles will be:

n = \frac{P \ V}{  R \ T }

n = \frac{1 \ atm * 3.8 \ L  }{ 0.082057 \frac{L \ atm}{ K \ mol} *  309.65 \ K } [/tex]

n = 0.14955 \ mol

3 0
3 years ago
Which component of magma includes mobile ions of silicon?
Lemur [1.5K]

Answer:

Melt.

Explanation:

When rocks melt, they do so slowly and gradually because most rocks are made of several minerals, which all have different melting points; moreover, the physical and chemical relationships controlling the melting are complex. As a rock melts, for example, its volume changes. When enough rock is melted, the small globules of melt link up and soften the rock.

Under normal conditions, mantle rock like peridotite shouldn't melt in the Earth's upper mantle. However, by adding water you can lower the melting point of the rock. Alternatively, by decompressing the rock, you can bring it to a pressure where the melting point is lower. In both cases, basalt magma will form and considering it is hotter and less dense than the surrounding rock, it will percolate towards the surface and some of that erupts.

6 0
3 years ago
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