Answers by Wen Xu Li
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Answers by Wen Xu Li

Answers by Wen Xu Li
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Find the discriminant of the equation 1.5m2 + m = -3.5 -4.25 0 22 -20
answered Jul 12, 2018
3 votes
206k views
A rifle with a longer barrel can fire bullets with a larger velocity than a rifle with a shorter barrel. Explain this using the impulse-momentum theorem, then the work-energy theorem
answered Jan 14, 2018
6 votes
12.3k views
What was the capital of the byzantine empire? constantinople persepolis kiev baghdad
answered Apr 11, 2017
1 vote
32.1k views
How many electrons are contained in an Au3+ ion?(1) 76 (3) 82 (2) 79 (4) 197
answered May 2, 2016
2 votes
109k views
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