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- A boat at anchor is rocked by waves whose crests are 26 m apanand whose speed is 7 m/s. a) What is the frequency (Hz) of the wavesand b) What is the period I (seconds) of the wavesAn ambulance is moving towards you at a speed of 15m/s. If the frequency of the actual siren is 350hz and the speed of sound in air is 350m/s what frequency of tge siren you hearA Sound wave passes through regions OF the ocean WIth varuing density. How do CorresPondiagg to the density of the water'> sCiect the tuo corvect the varying uwavelengths anwsers. A. shorter wavelengths correspond to lesser density OF the water B. Shorter Uwaveleng ths corresPond the to greater density of warer C. Longer uavelengths correspond to lesser density Of the water D. Longer wavelengths Comespond to grearer denslry OF the warer
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