How does temperature influence the appearance of a star? Give an example in your response.

1 answer:

5 0

The cooler the temp of the star the star would appear to glisten a red. if the star is warmer the star would be a light blue or blue. An example would be the tiny red dwarf stars. they only have 7% of the suns heat so they appear red.

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A lava flow baking a rock is an example of which type of metamorphism

JulsSmile [24]

<span>A lava flow baking a rock is an example of: contact metamorphism

Contact metamorphism is a form of metamorphism that CHANGES the texture of the rock.When the lava makes contact with the rock, the structural particle bond that binds the rocks is destroyed because of the extreme heat. This will change the texture of the rock and make it appear baked.</span>

8 0

3 years ago

The number of energy levels filled in an atom is determined by the number of

Lelu [443]

Answer:

The number of energy levels filled in an atom is determined by the number of orbitals.

Explanation:

The highest numbers of the electrons in a given energy level relies on the presence of number of orbitals. In one orbital it contains two electrons. Electron that are present in the outer energy level of atom are known as the valence electrons. Which remains as the determining factor of the reactivity of the element. Lights are being emitted when an electron comes from higher state to the lower state.

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4 years ago

In an RC circuit, how many time constants must elapse if an initially uncharged capacitor is to

xenn [34]

The capacitor reaches 70% of its final potential difference after 1.21 time constants

Explanation:

In an RC circuit, when an initially uncharged capacitor is connected to a battery, charge starts to flow through the circuit and accumulates on the capacitor.

As a result, the potential difference across the capacitor also increases, until the capacitor becomes fully charged.

The potential difference across the capacitor follows the equation:

$V(t)=V_0(1-e^{-\frac{t}{\tau}})$