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When a star collapses to form a black hole, its mass _____. A. decreases B. remains the same C. increases
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Updated 1/16/2016 4:05:04 AM
1 Answer/Comment
When a star collapses to form a black hole, its mass remains the same.
Added 1/16/2016 4:05:04 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [1/16/2016 4:05:48 AM]
When a star collapses to form a black hole, its mass _____. A. decreases B. remains the same C. increases
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Not Answered
Updated 2/5/2016 10:04:01 PM
1 Answer/Comment
When a star collapses to form a black hole, its mass remains the same.
Added 2/5/2016 10:04:01 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [2/6/2016 2:11:25 AM]
The first law of thermodynamics is a restatement of the A. Carnot cycle. B. law of heat addition. C. principle of entropy. D. conservation of energy. E. none of the above
Weegy: The first law of thermodynamics is a restatement of the conservation of energy. (More)
Question
Expert Answered
Updated 4/16/2013 9:50:09 AM
3 Answers/Comments
The first law of thermodynamics is also known as The Law of Conservation of Energy.
Added 4/15/2013 5:20:35 PM
the answer is D.
Added 4/16/2013 9:50:09 AM
Flagged by debnjerry
The Doppler effect occurs when a source of sound moves A. away from you. B. toward you. C. both A and B D. none of the above
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Not Answered
Updated 11/16/2015 9:06:20 AM
1 Answer/Comment
The Doppler effect occurs when a source of sound moves either towards you or away from you. So the answer is none of the above.
Added 11/16/2015 9:06:20 AM
This answer has been confirmed as correct, not copied, and helpful.
When the handle of a tuning fork is held solidly against a table, the sound becomes louder and the length of time the fork vibrates A. becomes shorter. B. becomes longer. C. remains the same.
Weegy: B: becomes longer (More)
Question
Expert Answered
Updated 9/24/2014 4:49:08 PM
1 Answer/Comment
When the handle of a tuning fork is held solidly against a table, the sound becomes louder and the length of time the fork vibrates: Becomes shorter.

Added 9/24/2014 4:49:08 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [8/6/2015 10:47:33 AM]
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