问题标题:
求解一道英文指数数学题exponentialfunctionAnorchestratunestoafrequencyof440,whichsoundstheAabovemiddleC.Eachoctavehigherdoublesthefrequency,andeachofthe12semitonesintheoctaveincreasesthefrequencyinthesam
问题描述:
求解一道英文指数数学题exponentialfunction
Anorchestratunestoafrequencyof440,whichsoundstheAabovemiddleC.Eachoctavehigherdoublesthefrequency,andeachofthe12semitonesintheoctaveincreasesthefrequencyinthesameratio.
(a)Whatisthisratio?
(b)FindthefrequencyofmiddleC.
(c)Whereonthescaleisanotewithafrequencyof600?
丁莉雅回答:
中文意思是这个:
管弦乐队的音乐,440,声音频率高于中c的每一个音阶频率更高的双打比赛,每12个半音“音阶频率的增加在相同的比例.
(a)这是什么比?
(b)中央C找到的频率.
(c)哪个位置的规模是注意与频率600吗?
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