# Answer on Electric Circuits Question for gaby

Question #10895

:A bubble originating at the bottom of a lake rises to the surface within 10.0 seconds with an acceleration of 10.0 meters/second2. What is the depth of the lake?Select one of the options below as your answer:100 meters 200 meters 300 meters 400 meters 500 meters

Expert's answer

Let the depth of the lake is d.

d = a * t^2 / 2 = 10 * (10^2) / 2 = 1000 / 2

= 500

Answer: 500 meters.

d = a * t^2 / 2 = 10 * (10^2) / 2 = 1000 / 2

= 500

Answer: 500 meters.

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