HOW FAST IS
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How Fast Is Spitball?

10.0 m/s
36.0 km/h · 22.4 mph

A well-blown spitball through a straw hits about 10 m/s — a 36 km/h projectile fired by lung pressure alone. Effective range is 5-10 metres, depending on the straw and your breath. A genuine classroom physics experiment.

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Did you know?

A spitball fired by lung pressure alone reaches 36 km/h — a hands-on demonstration of compressed-air physics.

How it compares
▶ See Spitball on the interactive scale Read more on Wikipedia →
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