Aliens? do you believe?To get the points go into detail :)

Physics

2 answers:

zzz [600]3 years ago

7 0

Answer:

Yes

Explanation:

There are so many planets out there that there must be habitable planets if not in our galaxy but the Universe.

Although the chances of advanced life are slim, small primitive life like microbes or sea life may still exist.

valkas [14]3 years ago

5 0

Answer:

yes

Explanation:

just like we live in our planet there are more planet and each planet there are human but we called them aliens

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An atom with the expected number of neutrons, protons, and electrons is called a(n)

ryzh [129]

Answer:

Stable atom

Explanation:

A stable atom is one that has a balanced nuclear inter-particle force reaction as such the binding energy of a stable atom is sufficient to permanently keep the nucleus as one unit. Examples of a stable atom are the atoms of monoisotopic elements such as fluorine, sodium, iodine, gold, aluminium, and cobalt.

In a stable atom the expected number of proton, neutron, and electron are present while in an unstable atom or radioactive atom, there are more than the expected number of neutrons or protons, such that the internal energy of the nucleus is excessive and more than the binding energy, which can lead to radioactive decay.

6 0

3 years ago

Use this free body diagram to help you find the magnitude of the force F2 needed to keep this block in static equilibrium. WILL

oksian1 [2.3K]

Static equilibrium means that all forces are equal, so make this easiest you want to break F1 into it's horizontal and vertical components. As there are no other forces acting in the horizontal, we know the horizontal component of F1 is 40N. This allows the vertical component to be found using pythagorus theorem. After finding the vertical and horizontal components, you just have to add the vertical components to find the difference between the up and down.