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91. Shattered Glass
How much pressure does it take?
Image credit: Justin Baird for Bellingcat
Puzzle by Trevor Ball. Part of the After the Blast series.
A wide range of structural damage can be caused by the pressure created by an explosion. On the low end of the spectrum, glass can be shattered by the pressure generated, while on the extreme end, concrete buildings can be severely damaged or destroyed.
The damage caused by an explosion, and the distance at which it occurred can provide some information on the size of the explosion.
What is the minimum peak overpressure required to shatter glass? (give answer in kPa as an integer)