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Matter is needed to transfer thermal energy by A. conduction. B. convection. C. radiation. D. both a and b
Weegy: D. both a and b. Matter is needed to transfer thermal energy by conduction and convection. User: One consequence of the third law of thermodynamics is that A. heat engines have efficiencies less than 100 percent. B. in some energy conversions, energy is not conserved. C. engines cannot discharge waste heat. D. the work a heat engine produces is less than the waste heat it produces. Weegy: One consequence of the third law of thermodynamics is that A. heat engines have efficiencies less than 100 percent. ............ (More)
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Asked 6/3/2013 12:26:59 PM
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To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its A. wavelength. B. intensity. C. refraction. D. amplitude.
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Updated 225 days ago|6/8/2016 1:33:36 AM
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To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its: WAVELENGTH.
Added 226 days ago|6/7/2016 5:08:44 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by yumdrea [6/8/2016 1:33:37 AM]
What do electric forces between charges depend on? A. the quantity of charge involved B. how far apart the charges are. C. both a. and b. D. none of the above User: What solid-state component in a mobile phone maintains proper voltage levels in the circuits? A. transistors B. capacitors C. diodes D. microchips User: Which of the following would reduce the resistance of a metal wire? A. increasing its thickness B. increasing its temperature C. increasing its length D. all ...
Weegy: A. increasing its thickness would reduce the resistance of a metal wire. [smile] User: The strength of an electric field depends on the A. amount of charge that produced the field. B. distance from the charge. C. amount of charge on a test charge placed in the field. D. both A and B Weegy: D. both A and B (More)
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Asked 6/3/2013 4:44:46 PM
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See Figure 4 on p.602. If the two charges represented in the figure were brought near each other, they would A. attract each other. B. repel each other. C. cause static discharge. D. have no effect on each other.
Weegy: I can t see the figure User: Which of the following is maintained across the terminals of a battery? A. a potential difference B. a voltage drop C. an electric charge D. both A and B Weegy: D. both A and B User: How many paths through which charge can flow would be shown in a circuit diagram of a series circuit? A. one B. two or more C. none D. more information is needed Weegy: Series circuit has one path for flow of charge so the answer is letter A. one (More)
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Asked 6/3/2013 4:53:57 PM
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