MCAT Question of the Day


  • Q:

    The frequency of a sonar pulse is given to be 4 Hz. The efficiency of a wave at a distance D can be described as E = T2/4Dkπ, where E is efficiency, T is period, and k is a scaling constant. For the sonar pulse, the efficiency is found to be X. What is the efficiency if frequency is increased to 8 Hz?

     

    A

    X/4

    B

    2X

    C

    3X

    D

    4X



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