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Kaylis [27]
2 years ago
5

Question 2 10

Physics
1 answer:
ss7ja [257]2 years ago
8 0
B Ik it all just know who they’ll you
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expain why different atoms of the same element always have the same atomic number but can have different mass numbers what are t
anzhelika [568]
The atomic number tells you the number of protons in an atom. This value never changes because the number of protons in the nucleus always remains constant. The mass number tells you the number of protons and neutrons (or nucleons) together: protons + neutrons = mass number. Since the number of neutrons in the nucleus varies, you can have different amounts of neutrons in the same type of atom. These varied types are called isotopes.

Hope this helps.
4 0
3 years ago
Which change of state is shown in the model?
leva [86]

Answer: deposition

Explanation:

Try process of elimination. We know it's not boiling because that is basically water turning into gas. It's not condensation because it's not water which collects as droplets on a cold surface when humid air is in contact with it.

8 0
3 years ago
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The answer is D. discrimination.<span />
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How far would a jet going 155 m/s travel in 9 s?
docker41 [41]

Answer:

1,395 m

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155×9

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5 0
3 years ago
a tennis ball is thrown straight up with an initial velocity of 22.5 m/s how much total time is the ball in the air
lutik1710 [3]

Answer:

4.6s

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v=u+at

0=22.5+(-9.8)t

-22.5=-9.8t

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2.295×2=4.59s

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6 0
3 years ago
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