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IgorC [24]
4 years ago
5

This typically occurs on the sun? fusion fission very few chain reactions half life

Physics
1 answer:
melisa1 [442]4 years ago
5 0

Answer:

Fusion

Explanation:

The thermonuclear fusion(only occurs at extreme conditions of temperature and pressure like interiors of stars) of Hydrogen takes place in The Sun's core.

Every four hydrogen atoms combine to form a Helium atom with a release of 26.7Mev of energy.

On a large scale this amount of energy can be very huge.

It is calculated that tis proces has being going on for the past 5\times 10^{9} years and with the amount of Hydrogen left will be sufficient to keep it going for the same amount of time in the future.

After this process ends,the Sun's core which will be mostly Helium,will start to cool and collapse under its own gravity.

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100 POINTS + BRAINLIEST, HEART, & FIVE STAR.
saveliy_v [14]

Answer:

Question 1 the answer is 5 cm for the one pulley system, I just took the quiz

Question 2 is 10 cm

Explanation:

The rope only needs to move 5 cm for the mass to move from 15 to 20.

For the 2 pulley system the string has to move twice as far making it 10 cm. I took the quiz and got 100%

8 0
3 years ago
Information about mars' moons.
Alex

Answer:

mars is a fourth planet of the sun and the second planet in the solar system

moon is a natural satellite of the earth it isthe fifth largest moon in the solar system

6 0
2 years ago
Within a vacuum, the property to all electromagnetic waves is their WHAT?
Semenov [28]
The electromagnetic spectrum<span>. </span>Electromagnetic waves carry transverse vibrations in<span> electrical and </span>magnetic<span> fields, not vibrating particles. </span>Electromagnetic waves<span> do not need matter to travel through - they can travel through empty space AKA a vacuum </span>
6 0
4 years ago
What would the American flag look like under a blue light?
nadezda [96]

Answer:

The flag will appear to be black.

Explanation:

This is because red is the only brighter color in the American flag, so when a blue light is shined, the red turns dark and then the flag looks just blank and black.

3 0
3 years ago
Read 2 more answers
A vehicle of known mass accelerates along a straight path. According to Newton's second law of motion, what caused this accelera
Naily [24]

The answer would be:

C. An unbalanced force has acted on the vehicle.

The presence of an unbalanced force will accelerate an object, the second law of motion dictates this (Although not explicitly). Lets knock out the rest of the choices.

If a balance force acted on the vehicle, then the vehicle would be at rest. The mass of the vehicle did not change (Unless it falls apart, which I doubt). The direction of the vehicle does not change and it will only do so if another force and a stronger one at that will counteract the current net force acting on the vehicle.

Hope you got your answer here, although you did not ask for an explanation, maybe this will help you figure some of the other questions you have on your own.

6 0
4 years ago
Read 2 more answers
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