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1. In which medium does sound travel the fastest? (1 point)A.salt water B.fresh water C.air D.cast iron
In which medium does sounds travel the fastest, has to be tongs or D. cast iron, sound waves travel 15 times as fast or 3 miles per second.
Expert answered|RubyTee|Points 62|
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Asked 4/15/2013 10:34:49 AM
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2. A wave has a wavelength of 10 mm and a frequency of 5 hertz. What is its speed? (1 point)50 mm/s 50 hertz/s 2 mm/s 0.50 mm/s
Weegy: A wave has a wavelength of 10 mm and a frequency of 5 hertz. 50 mm/s is its speed. (More)
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Asked 4/15/2013 10:36:42 AM
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3. How does reflection differ from refraction and diffraction? (1 point)Reflection is the only process in which the wave does not continue moving forward. Reflection is the only process that involves a change in the wave. Reflection affects all types of mechanical waves, but refraction and diffraction do not. Reflection is the only process that changes the direction.
Weegy: reflection is the only process in which the wave does not continue moving forward. User: 4. An ambulance siren sounds different as it approaches you than when it moves away from you. What scientific term would you use to explain how this happens? (1 point)ultrasound diffraction rarefaction the Doppler effect Weegy: D. the Doppler effect scientific term would you use to explain how An ambulance siren sounds different as it approaches you than when it moves away from you. User: 5. The part of the ear that sends coded nerve signals to the brain is (1 point)the outer ear. the inner ear. the middle ear. the eardrum. Weegy: B. the inner ear. User: 6. To what is amplitude related? (1 point)the amount of energy carried by the wave the maximum displacement from the rest position neither of the above both the first and the second choices above Weegy: Amplitude is related to both the amount of energy carried by the wave and the maximum displacement from the rest position . [ ] [ [ ] ] (More)
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Asked 4/15/2013 11:55:01 AM
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