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Kognity IB Physics A.0 Measurements & Uncertainty (id: 709de818a)

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Post time 2024-8-21 21:38:19 | Show all posts |Read mode
本题目来源于试卷: Kognity IB Physics A.0 Measurements & Uncertainty,类别为 IBDP Physics

[填空题]
The lengths of the sides of a rectangzxbj x.;1wlb(ular plate are measured,,2sb1togjov(w5 ak k/ and the diagram sh,5kbsojv1wago2 /t (kows the measured values with their uncertainties.

What is the percentage error in the area of the plate?   %. (Remember to exclude the % symbol with your answer.)




参考答案: 6


本题详细解析:
Area involves a multiplication so thhnyw-pqxi4 i58x *q5te percentage uncertainties need to be added. Uncertainty i8wt5q n*p5yiq4hx-xi n length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
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