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ttokoro
21-Topaz I
21-Topaz I
August 26, 2020
Solved

Spinout puzzle of Water, Air, Steel

  • August 26, 2020
  • 2 replies
  • 2111 views

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. 

 

image.pngimage.pngimage.png

image.pngimage.png

 

Conditions.

1.They are on your hand.

2. Throw and Catch ball them.

 

 

Best answer by ttokoro

Static state ( On your hand)

 

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

 

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

 

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

 

Two basketballs. The mass is, image.png,image.pngimage.png

image.png

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

 

 

 

image.png

2 replies

ttokoro
21-Topaz I
ttokoro21-Topaz IAuthorAnswer
21-Topaz I
August 28, 2020

Static state ( On your hand)

 

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

 

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

 

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

 

Two basketballs. The mass is, image.png,image.pngimage.png

image.png

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

 

 

 

image.png

t.t.
23-Emerald IV
August 28, 2020

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