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Reflecting telescopes are popular because they're
Reflecting telescopes are popular because they're easier to build than a refracting telescope.
Expert answered|Wallet.ro|Points 143585|
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Asked 9/30/2018 6:57:08 AM
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Which of the following values represents an index of refraction of an actual material? A. 5 / 4 B. 1 / 2 C. 1 / 4 D. 0
Weegy: The following value represents an index of refraction of an actual material: 5 / 4. (More)
Question
Updated 9/30/2018 8:54:17 PM
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How much heat energy is produced by 0.5 Wh of electrical energy? A. 2.6 Btu B. 0.15 Btu C. 1.7 Btu D. 0.4 Btu
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Question
Updated 248 days ago|5/16/2020 8:29:36 PM
1 Answer/Comment
1.7 Btu heat energy is produced by 0.5 Wh of electrical energy.



1 W = 3.41214 Btu/h, 1watt*hr = 3.41214 Btu, 0.5 Wh =3.41214/2Btu, 0.5 Wh =1.7 Btu.
Added 248 days ago|5/16/2020 8:29:36 PM
This answer has been confirmed as correct and helpful.
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