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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 rectayrjy9u/ lcm52b h) zq5ngular pldglnvtb;(/ sez5 /h7 vate are measured, and the diagram shows the measured values with theirvlh( /s/db7 tvn;ez5g 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 the percentage uncertainties need to be addex*n si):*0zz b ;rs4-sidcow zd. Uncess zc s)0izz*d4x*wi:-r; nobrtainty in 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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