Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later....

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Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later....

Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later. How far did the wave travel?

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Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later....

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You are lost in a canyon and yell for help. Four seconds later you hear your...

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Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later....

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Standing in a canyon, you yell "Physics is awesome" and hear the echo 5 seconds later....