問題詳情

6. To decrease the intensity of the sound you are hearing from your speaker system by a factor of 36,you can
(A) reduce the amplitude by a factor of 18 and increase your distance from the speaker by a factorof 2.
(B) reduce the amplitude by a factor of 4 and increase your distance from the speaker by a factor of3.
(C) reduce the amplitude by a factor of 2 and increase your distance from the speaker by a factor of3.
(D) reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of12.
(E) reduce the amplitude by a factor of 3 and increase your distance from the speaker by a factor of4.

參考答案

無參考答案

內容推薦

內容推薦