Assuming the speed of sound is 341 m/s ... a)  How far away in km did the lighting strike if it takes 5.5 s to hear the thunder after the flash?     distance =     km  b)  How far away is the canyon wall if it takes 4.9 s to hear the echo after you yell?    distance =     km

Elementary Geometry for College Students
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Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
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Assuming the speed of sound is 341 m/s ...

a)  How far away in km did the lighting strike if it takes 5.5 s to hear the thunder after the flash?

    distance =     km 

b)  How far away is the canyon wall if it takes 4.9 s to hear the echo after you yell?

   distance =     km

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