Physics, 22.04.2020 04:29 emily41950
A student waiting on a platform for an incoming train hears a train whistle blow some place down the track but she is not certain from which direction it came. If the student notices that the frequency of the train whistle slowly decreases. What can the student conclude about the speed and direction of the train blowing the whistle
Answers: 2
![F_{obs} =\left [ \frac{v}{v - v_{source}} \right ] f_{source](/tpl/images/0617/6257/508ec.png)
![F_{obs} =\left [ \frac{v}{v + v_{source}} \right ] f_{source](/tpl/images/0617/6257/c637e.png)
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A student waiting on a platform for an incoming train hears a train whistle blow some place down the...
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