Question and answer
Sound waves can't travel through A. a solid. B. a liquid. C. an elastic material. D. a vacuum.
Sound waves cannot travel through a vacuum.
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wedekind|Points 1474|
Question
Asked 10/10/2012 8:04:45 PM
Updated 3/29/2017 11:53:55 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by yumdrea [3/29/2017 11:53:53 AM], Confirmed by yumdrea [3/29/2017 11:53:55 AM]
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A temperature of 20 C is equivalent to approximately A. -6 F. B. 32 F. C. 68 F. D. 136 F.
Question
Updated 1/26/2014 8:21:37 PM
1 Answer/Comment
A temperature of 20°C is equivalent to approximately: C. 68°F

Added 1/26/2014 8:21:37 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [1/26/2014 9:49:58 PM]
The ratio of output power to input power, in percent, is called A. conductivity. C. work. B. efficiency. D. horsepower.
Weegy: The ratio of output power to input power, in percent, is called efficiency. (More)
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Updated 8/5/2015 1:08:53 PM
0 Answers/Comments
The main purpose of the turbine in the turbojet engine is to A. drive the compressor. B. compress the air. C. increase the velocity of the exhaust gases. D. reduce the temperature of the exhaust gas
Weegy: The main purpose of the turbine in the turbojet engine is to drive the compressor. (More)
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Updated 6/30/2016 10:58:16 PM
0 Answers/Comments
Which of the following is the term used to describe a body s resistance to a change in motion? A. Inertia C. Gravity B. Acceleration D. Mass
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Updated 2/7/2015 11:02:18 AM
1 Answer/Comment
Inertia is the term used to describe a body’s resistance to a change in motion.
Added 2/7/2015 11:02:17 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [2/7/2015 11:05:13 AM]
The unit for measuring the rate at which light energy is radiated from a source is the A. Angstrom. B. lux. C. lumen. D. candela.
Weegy: The unit for measuring the rate at which light energy is radiated from a source is the C. lumen. (More)
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Updated 2/26/2014 1:43:27 PM
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