شناوری روی جیوه
If an object is less dense than the liquid you are putting in, it will float!
Read more about it here: http://zidbits.com/2010/11/29/can-a-cannonball-float/
If an object is less dense than the liquid you are putting in, it will float!
Read more about it here: http://zidbits.com/2010/11/29/can-a-cannonball-float/
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