Question: You stand in your yard and hold a battery-powered buzzer that is emitting a frequency of (560 mathrm{~Hz}) as a friend stands next to you.

You stand in your yard and hold a battery-powered buzzer that is emitting a frequency of $560 \mathrm{~Hz}$ as a friend stands next to you.

(a) What frequency does your friend hear if you throw the buzzer away from you with a speed of $18.0 \mathrm{~m} / \mathrm{s}$ ?

(b) You and your friend now get on a flat railroad car that begins to travel at $12.0 \mathrm{~m} / \mathrm{s}$, and you throw the buzzer in the direction opposite the direction of the car's velocity. What frequency does your friend hear?

(c) What frequency would a person standing alongside the tracks hear?

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a When you throw the buzzer away from you with a speed of 180 ms there is a relative motion between the buzzer and your friend standing next to you Th... View full answer

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