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 = = 1.875 OF distance = 1.77 km b) How far away is the canyon wall If it takes 5.2 s to hear the echo after you yell?

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a To calculate the distance of the lightning strike we can use the speed of sound and the ti... View the full answer