Joke Collection Website - Mood Talk - High School Entrance Examination Physics~Experts are here to help
High School Entrance Examination Physics~Experts are here to help
Actually, I really want to answer it, but I can’t express it clearly
Can I search it myself or read a book?
A hot air balloon changes the density of the air inside the ball
An airship is filled with gas that has an average density lower than the air
A submarine has a water tank and the displacement boat rises The submerged boat sank
I'm not an expert, but that's what I mean anyway...
Let's figure it out for ourselves...
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