MCAT Question of the Day
    •

    Q:

    		 A stationary object is emitting a tone of 1000 Hz while a car approaches it. If the car is also emitting a tone of 1000 Hz, and an observer on the stationary object hears a beat frequency of 10 Hz, how fast is the car moving toward the object? Assume the speed of sound in air is 350 m/s.
    		 

    A

    		 0.35 m/s

    B

    		 1.15 m/s

    C

    		 3.5 m/s

    D

    		 10 m/s



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