Question:
Anna was on vacation and came across an echo lake Wanting to
Last updated: 5/9/2023
Anna was on vacation and came across an echo lake Wanting to know how far she had to swim to get across the lake to the other side she yelled across Hello How wide is the lake if 10 seconds later she heard her own echo Assume that the temperature is 20 C and the speed of sound is 344 m s Answer in units of m