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An event occurs at x = 500 m, t = 0.90 s in one frame of reference.Another frame is moving at 0.90c in the positive x direction.The origins coincide at t = 0 and clocks in the second frame are zeroed when the origins coincide.The coordinate and time of the event in the second frame is:
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A spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), leading to the progressive failure of the immune system (AIDS) and increased susceptibility to opportunistic infections and tumors.
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Blood tests that look for antibodies in your blood to determine past exposure to certain infections or diseases or to assess your immune system's response to vaccination.
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A tube used in medical and clinical settings for the collection of blood or other specimens from patients for analysis.
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A type of closure used in medical vials or tubes, often indicating specific properties or tests associated with the sample container.
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