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xxMikexx [17]
2 years ago
9

What is the best prediction for what will happen when all of the hydrogen in the sun has undergone fusion? helium nuclei will sp

lit to form hydrogen, and the sun will no longer release energy. helium nuclei will split to form hydrogen, and the sun will continue to release energy. helium nuclei will fuse to create heavier elements, but the sun will no longer release energy. helium nuclei will fuse to create heavier elements, and the sun will continue to release energy.
Physics
1 answer:
Lena [83]2 years ago
3 0

Helium nuclei splitting to form hydrogen, and the Sun will no longer release energy will occur when all the hydrogen in the sun undergoes fusion.

<h3>What is Fusion?</h3>

This occurs when two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.

In a situation where all the hydrogen in the sun has undergone fusion, the helium nuclei will split to form hydrogen, and the Sun will no longer release energy.

Read more about Fusion here brainly.com/question/17870368

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A box with the mass of 20 kg at 5 m is lifted to 20 m. How much work was 7 points<br> done?
kirza4 [7]

Answer:

2,900\: \mathrm{J}

Explanation:

Work is given by the equation W=F\Delta x where F is force and \Delta x is displacement.

Displacement is defined as change in position. In this case, the box moves from 5m to 20m. Its displacement is 20-5=15\:\mathrm{m}.

The force acting on the box is the force of gravity, given as F_g=mg.

Therefore, the total work done is:

W=F\Delta x=mg\Delta x = 20\cdot 9.81\cdot 15=2,943=\fbox{$2,900\:\mathrm{J}$}(two significant figures).

3 0
3 years ago
(a) Check all of the following that are correct statements, where E stands for γmc2. Read each statement very carefully to make
Reil [10]

Answer:

V=9.60m/s

Attached is the solution

5 0
3 years ago
How do we know Earth is spinning, not the Sun?
Tpy6a [65]

Answer:

Because it is said that the earth rotates and revolves around the sun and moon so it is impossible for the earth not to be spinning.

Explanation:

4 0
3 years ago
A sample of an ideal gas initially occupies a volume of 6 L. The pressure of the sample is then doubled while it is cooled to on
Troyanec [42]

Answer:

V₂= 1 L

Explanation:

Given that

Volume occupies V₁= 6 L

Initial pressure = P₁

Initial temperature = T₁

The final pressure =P₂ = 2 P₁

Final volume =V₂

Final temperature = T₁/3

As we know that equation for ideal gas

P V = m R T

P=pressure,  V=volume,   T=temperature

m=mass  ,R=gas constant

Now from mass conservation

m=\dfrac{P_1V_1}{RT_1}=\dfrac{P_2V_2}{RT_2}

\dfrac{P_1V_1}{RT_1}=\dfrac{P_2V_2}{RT_2}

\dfrac{P_1\times 6}{RT_1}=3\times \dfrac{2P_1V_2}{RT_1}

6 = 3 x 2 V₂

V₂= 1 L

So the final volume will be 1 L

4 0
3 years ago
Which is a unit to measure air pressure?
nata0808 [166]

Answer:

c) cubic centimetre is it's answer..

8 0
3 years ago
Read 2 more answers
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