QUESTION 1 A stationary siren is emitting a sound at frequency 10. The graph shows the frequency you hear during a 4-second interval as a function of time. Which of the following describes your motion? 4-0c fo You are moving away from the source during the first half of motion and you suddenly reverse your direction O You are moving towards the souroe for the entire time. O You are moving away from the source for the entire time O You are not moving O You are moving towards the source of sound in the first half of motion and you are moving away in the second half of motion

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