Question: I need help with those problems. PLEASE!!! . A wave in the ocean has a period of 5 seconds. The distance between wave crests is

I need help with those problems. PLEASE!!!

. A wave in the ocean has a period of 5 seconds. The distance between wave crests is 18 in. What is the wave's velocity? . A hummingbird, producing a sound with a frequency of 12,500 Hz, is diving down at you. You hear a sound of 12,850 Hz. How fast is the hummingbird ying? . You count 13 waves passing you in 60 seconds. If the distance between the wave crests is 15 Hi, what is the waves' velocity

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