约 4 个结果
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Why Do We Say 'Bless You' When Someone Sneezes? - Physics …
2005年10月12日 · Gesundheit- German for "health". It is thought to have worked its way into the English language around 1900. You would simply be wishing good health onto someone who …
Once she sneezed 36 times in a row - Physics Forums
2005年6月28日 · Sneezes are triggered by such things as allergens or infections, such as cold or flu. As you mention allergic sneezes usually come in bursts of multiple sneezes and are …
Calculating Force of Stifled Sneezes - Physics Forums
2007年11月23日 · Homework Statement When you stiffle a sneeze, you can damage delicate tissues because the pressure of the air that is not allowed to escape can raise up to 45kpa, if …
What is the force of a shotgun blast? - Physics Forums
2008年6月5日 · The end result I got was that if X sneezes are required to get up to a certain speed then X*2 shotgun blasts are required to push the ship to the same speed. Obviously, I …