Soccer Ball Inflation
by Nathan Kraft
skips
questions
Act One
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April 21, 2012
How many pumps will it take to fill the other soccer balls? How much air do you get from one pump?
Act Two
- Teacher noteSmall Ball Circumference = 17.5 in
Medium Ball Circumference = 27 in
Large Ball = 71 in
Act Three
- Linkuntitled
- Teacher materialuntitled
- VideoSoccer Ball Inflation - Act 3 on Vimeo
Sequel
show 48 more questions
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Which one takes more pumps? (I might remix this with two people pumping both at the same time, and stopping after three pumps or so).
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How many pumps for the two larger balls? (Where'd you get that giant soccer ball? It's awesome!)
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Similarity of volumes. Also, how tall is the person who uses the big ball.
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How many pumps to inflate the larger soccer balls? I think ACT 1 would be stronger if you cut away after 2 or 3 pumps of the mid-size ball
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How many more pumps did it take for the bigger soccer balls? (What is the work to fun ratio for each?)
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How many pumps did it take to fill the medium sized ball? The large ball?
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How much of the capacity in each ball was already inside it, in terms of air volume.... by % ?
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how much higher will the bigger ball bounce? is this related to volume?
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What's the relationship between the number of pumps and the radius of each ball?
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How many pumps to inflate the middle-sizes ball? How many for the big one?
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