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3 years ago

14

Which statement is true about nuclear fusion? it is caused by the same process that causes nuclear fission.

2 answers:

Sergeeva-Olga [200]3 years ago

6 0

The correct statement about nuclear fusion is the last one: "it produces nearly all the elements that are heavier than helium". Nuclear fusion is the process of combination of two smaller atoms into a larger one. It requires a high activation energy, which is reached in the stars. Elements from He to Iron were formed in the Sun, but larger elements require a higher energy and are formed inside supernovas.

san4es73 [151]3 years ago

5 0

Answer:

It produces nearly all the elements that are heavier than helium.

Explanation:

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2 years ago

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3 years ago

Show how the alternative definition of power, found in your book, can be derived by substituting the definitions of work and spe

Harman [31]

Let us consider body moves a distance S due to the force F.

Hence the work by the body W = FS

If the force is not along the direction of displacement,then the work by a body for travelling a distance S will be -

$W=[ Fcos\theta]*S$ where $Fcos\theta$ is the component of the force along the direction of displacement.

$Hence\ W= FScos\theta$

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As per the question the power P is given as -

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$= F.\frac{S}{\delta t}$

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anzhelika [568]

I think:
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Not moving- 20

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