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Aggiornato il
8 dic 2017

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  • Inglese (Stati Uniti)
Domande Inglese (Stati Uniti)


Step 5 : Place the empty toilet paper tube into the air stream and watch what happens to it

Why does it work?
Air from the hair dryer pushes the ping-pong ball up, and the force of gravity pushes the ping-pong ball down. so the ping-pong ball fly up to the point of balancing air pressure and gravity.

Could you correct my writing?

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[Novità] Ehi tu! Dico a te che stai imparando una lingua!

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Step 5 : Place the empty toilet paper tube into the air stream and watch what happens to it

Why does it work?
Air from the hair dryer pushes the ping-pong ball up, and the force of gravity pushes the ping-pong ball down. so the ping-pong ball fly up to the point of balancing air pressure and gravity.

Could you correct my writing?
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