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kherson [118]
2 years ago
14

The process by which solids vaporize without first becoming a liquid is called.

Physics
1 answer:
dusya [7]2 years ago
4 0

Answer:

matter

Explanation:

I HOPE THIS HELPS

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An astronaut drops a rock from the top of a crater on the moon. When the rock is halfway down to the bottom of the crater, its s
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Answer: vf1/vf2= 1/ sqrt(2)

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if the rock travels H to the bottom we can calculate velocity:

vo=0m/s (drops the rock)  , yo=0

vf*vf= vo*vo+2g(y-yo)

when the rock is halfway  y = H/2 so:

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when the rock reach the bottom y=H so:

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so vf1/vf2= 1/ sqrt(2)

good luck from colombia

8 0
3 years ago
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Answer:

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