Sunday 29 May 2011

physics anyone?

I forgot to mention in my last post that while i was racing the rain all perpendicular wise i got hit in the eye with a blackfly. this is uncomfortable in the best situations but when i am heading down a hill at about 30km/h and a blackfly is flying at me at an average of 7.24km/h (i looked that up it's true) what is the force of impact on my eyeball? anyone? anyone?

i know i knew how to do this in highschool. but i think part of the answer is that becuase we were traveling in opposite directions i add the two speeds together to get an impact speed of 37.24km/hour.

and force is mass x acelleration and the mass of a blackfly is really small and this is where i get lost.....but hot damn it felt like i had been hit in the eye with a nail. which is not a pleasant feeling when traveling at high speeds on a bike. luckily i was able to quickly pull off to the side of the road and fish the poor little guy out. i don't think he survived the impact.

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