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allochka39001 [22]
2 years ago
8

I need help on this question

Physics
2 answers:
Alisiya [41]2 years ago
6 0

Answer:

Explanation:

5

raketka [301]2 years ago
3 0

Answer:

there are 5 hydrogen atoms in that formula

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The answer is letter A. meteorite bombardment.
During the Earth's earliest beginning, it went through a period of catastrophic and intense formation. By 3-8- 4.1 billion years ago, Earth's atmosphere was never the same as today. This is because of its formation during the pre-Cambrian period whereby t<span>he Earth formed under so much heat and pressure that it formed as a molten planet.
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Earth was bombarded continuously by the remnants of the dust and debris — like asteroids, meteors and comets — until it formed into a solid sphere, pulled into orbit around the sun and began to cool down during the Hellish period (4.5 to 3.8 billion years ago).

<span> </span>.To know more of this topic, see attached file.

 

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3 years ago
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Graphs do not need to have a title.true or false
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The answer for this question should be "false".
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A 0.55 kg projectile is launched from the edge of a cliff with an initial kinetic energy of 1550 J and at its highest point is 1
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b) 52.38 m/s

c) -75.58 m

Explanation:

See attachment for calculation

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2 years ago
A cylinder with a movable piston contains 2.00 g of helium, He, at room temperature. More helium was added to the cylinder and t
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Answer:

0.358g

Explanation:

Density of Helium = 0.179g/L

ρ=m/v

m=ρv

when the volume was 2L

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=0.358g

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