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Questions (4)
23.1 .. A point charge q 1 = +2.40 mC is held stationary at the origin. A second point charge q 2 = -4.30 mC moves from the
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help me solve: find x in cos^2x - 2 sinx cosx - sin^2x = 0
1 answer
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tanx=1/1,tany=1/3 then cos2x=sin2y
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What is the bond order of the C-O bond in acetone?
a). 4 b). 1.5 c). 0.5 d). 1 e). 2
2 answers
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Answers (2)
either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
we know sec^2(x)-tan^2(x)=1 now sec^2(x)=1+tan^2(x) now tan^2(x)/sec^2(x)=sin^2(x) [tan(x)=sin(x)/cos(x)] [sec(x)=1/cos(x)]
