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- Homework Statement
- You are standing at some distance from a rocky cliff and shout loudly. You hear the echo 2 seconds later. How far is the rocky cliff? Take the speed of sound in air as 343 m/s and round off your answer to the nearest integer (whole number).

- Relevant Equations
- v = Distance/Time

I brought time over to the other side and multiplied to get 686 m/s but that wasn't correct