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3 years ago

When we touch things, how close do atoms get together? Or does anything touch anything else?? Full answer Please 50 - 100 words

2 answers:

8 0

Basically, we don't touch anything. We are always about an atom above the ground. The atoms in our body are very far apart. For example, if you made every atom in every human body touch then the whole earth's population could fit on a sugar cube. This is called the Pym law. The only reason I can't put my hand through the computer right now is since there is always one layer of electrons outlining our body. So the electrons stop us from falling into the center of the earth.

kkurt [141]3 years ago

3 0

Well, im pretty sure that when we do touch eachother, the atoms themselves are touching. idk if this is what ur looking for but hope this helps.

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3 years ago

A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling

Natalka [10]

Answer:

H = 5 m

Explanation:

As the person leaves the slide horizontally so the time taken by the person to hit the water is given as

$t = 0.672 s$

so we can find the vertical velocity by which person will hit the water using kinematics

$v_y = u_y + at$

$v_y = 0 + (9.81)(0.672)$

$v_y = 6.6 m/s$

now the speed of the person at the end of the slide is given as

$v = \frac{L}{t}$

$v = \frac{5}{0.672}$

$v_x = 7.44 m/s$

now by energy conservation we can find the initial height

$mgH = \frac{1}{2}m(v_x^2 + v_y^2)$

$H = \frac{1}{2g}(v_x^2 + v_y^2)$

$H = \frac{1}{2(9.81)}(7.44^2 + 6.6^2)$

$H = 5 m$

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3 years ago

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A potential difference exists between the inner and outer surfaces of the membrane of a cell. The inner surface is negative rela

kifflom [539]

Answer:

Explanation:

Given

Work required $W=1.35\times 10^{-20}\ J$

Work done to eject the sodium ion from interior of the cell is given by the product of charge and Potential difference between inner and outer surface of the cell.

$W=q\times V$

Charge on sodium ion $q=1.6\times 10^{19}\ C$

$V=\frac{W}{q}$

$V=\frac{1.35\times 10^{-20}}{1.6\times 10^{19}}$

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3 years ago

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Korvikt [17]

Answer:

The answer is:-

Explanation:

An electron emitted from an atom by enteraction with an photon, especially an eclectron emitted from a solid surface by the action of light.

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Answer:

It has no effect on the amplitude.

Explanation:

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