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Kognity IB Physics A.0 Measurements & Uncertainty (id: ae43b81d5)

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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

本题为动态变量类型,下面题目描述与解答中出现的数值不同于您在作答时遇到的数值!

[填空题]
The radius of a ballk j:qv5wa ol.nbr 02,boon is measured t)g rw0 b , 9jokgb 8e/yam f8qdno)d*9as5+udjo be $20.0 \pm 1.0 \; cm$. What is the percentage uncertainty in the calculated volume of the balloon?   % (please exclude the $\%$ symbol with your answer and treat the balloon as a sphere)




参考答案: 15.0


本题详细解析:
The uncertainty in th rb13q7a d)7 efperql+e radius is 5%. Volume is calculated by raising a linear dimension to the power of three. Hence the percentage uncertainty in the vfbqel rpd)77+ea3q1 r olume will be three times that of the percent uncertainty of the radius which is 15%

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