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試卷名稱：114年 - 114 國立中山大學_學士後醫學系招生考試試題：物理與化學#126239
年份：114年
科目：學士後西醫物理及化學
39. When a driver is traveling at a speed of v1, they hear the frequency of a distant whistle as f₁. When they reduce their speed to v2, the frequency of the whistle is heard as f2. The car is moving toward the sound source. Assuming the sound source is stationary relative to the ground, what is the speed of sound?
(A)
(B)
(C)
(D)
(E)
