Spinout puzzle of Water, Air, Steel

[ttokoro]

Which is weighty a big balloon with 1m^3 volume of air or two basket balls?

Assume the weight of balloon gum (rubber) is 20g. 

Conditions.

1.They are on your hand.

2. Throw and Catch ball them.

[ttokoro · Accepted solution]

Static state ( On your hand)

Big balloon is 20 g.  << Two basketballs, each is 600 g.

They are moving. When you catch them, the speed is v, mass*v affect your hands.

The mass of a large balloon is , Weight of balloon is 20 g.

Two basketballs. The mass is, ,, 

Therefore, we feel almost the same or more m-v attack in the big balloon than two basketballs.

[LucMeekes]

I see you take account of the pressure of the air in the basket balls.

With just (1.0) atmospheric pressure in the big balloon it will look like a weak bag.

I'm trying to imagine how it will fly through the air...

Luc