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Sound can travel through a medium, but it does not require a medium. True False
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Asked 4/16/2014 11:31:07 AM
Updated 4/22/2014 1:19:12 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by Janet17 [4/22/2014 1:14:29 PM], Confirmed by Janet17 [4/22/2014 1:19:10 PM]
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User: Sound can travel through a medium, but it does not require a medium. True False

Weegy: Sound can travel through a medium, but it does not require a medium. This is FALSE.
Expert answered|Marvel2|Points 5450|

User: The period of a mechanical wave is 4 seconds. What is the frequency of the wave? 8.0 waves/second 4.0 waves/second 0.25 waves/second depends on the speed of the wave

Question
Asked 4/16/2014 11:31:07 AM
Updated 4/22/2014 1:19:12 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by Janet17 [4/22/2014 1:14:29 PM], Confirmed by Janet17 [4/22/2014 1:19:10 PM]
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The period of a mechanical wave is 4 seconds. The frequency of the wave is therefore 0.25 waves/second.
Where f = frequency and T = period, f = 1 / T
f = 1/4 = 0.25
Added 4/22/2014 1:19:12 PM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
Most cancer-causing air pollutants are found outdoors. True False
Question
Not Answered
Updated 3/13/2017 6:18:07 AM
2 Answers/Comments
TRUE.Most cancer-causing air pollutants are found outdoors.
Added 4/10/2014 12:07:36 PM
This answer has been flagged as incorrect.
Flagged by jerry06 [3/13/2017 6:18:11 AM]
Most cancer-causing air pollutants are found outdoors. FALSE.
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Confirmed by selymi [3/13/2017 7:41:42 AM]
Refrigeration slows the growth of bacteria in foods. True False
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Updated 4/11/2014 11:46:12 AM
1 Answer/Comment
TRUE. Refrigeration slows the growth of bacteria in foods.
Added 4/11/2014 11:46:12 AM
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The metric unit of power is _____. amperes voltage ohms watts User: The element in a fluorescent light bulb that absorbs UV light and releases visible light energy is _____. a phosphor mercury vapor a thin tungsten filament a thick tungsten filament
Question
Updated 4/14/2014 9:05:17 PM
1 Answer/Comment
The metric unit of power is Watt.
Added 4/14/2014 9:05:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [4/14/2014 9:06:43 PM]
Which of the following is an electromagnetic wave? sound wave radio wave water wave seismic wave
Weegy: A radio wave is an electromagnetic wave. (More)
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Expert Answered
Updated 4/22/2014 1:13:03 PM
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A type O star is likely to appear _____. yellow blue green red
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Updated 4/22/2014 12:43:45 PM
1 Answer/Comment
A type O star is likely to appear blue.
Added 4/22/2014 12:43:45 PM
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Confirmed by yumdrea [4/22/2014 12:49:46 PM]
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