Physics Help?

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1 Answer
Apr 12, 2018

I tried this:

Explanation:

I would try to consider the Doppler Effect and its mathematical description as:

https://study.com/academy/lesson/the-doppler-effect-formula-calculation.html
We can consider the speed of sound as: #v=350m/s# and the velocity of th eobserver as zero.

We get:

#395=381(350+0)/(350-v_s)#

rearranging:

#350-v_s=381/395*350#

#v_s=350-337.6=12.4m/s#