Describe the effect on speed frequency and wavelength of a
Describe the effect on speed, frequency, and wavelength of a sound traveling from warm to cold air. (hint:cold air is more dense than warm air).
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a 0900 kg hammer is moving horizontally at 950 ms when it strikes a nail and comes to rest after driving it 100 cm
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describe the effect on speed frequency and wavelength of a sound traveling from warm to cold air hintcold air is more
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swimming at 150 ms relative to still water a swimmer heads directly across a river of width 80 m he arrives 450 m
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