MCAT Question of the Day
    •

    Q:

    		 A whistle of frequency 750 Hz is blown on an truck moving east at 20 m/s. What approximate frequency sound would a stationary person standing west of the truck hear?
    		 

    A

    		 650 Hz

    B

    		 700 Hz

    C

    		 750 Hz

    D

    		 800 Hz



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