[填空题]
The lengths of the sides of a rectp,ozyf +holw e4 p2-/bangular plate are mev/)dw 6;(kwiwzlod gy.3;ck u:)uk zfu:c-mo asured, and the diagram shows the measured values with their unce6zv(:gd)kkc ol3)mz:f-w;o;u/kcd w uuw.yi rtainties. 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 adxfl/7a4p:b8 m pe1oeqded. Uncertainty in length is one part in 50, i.e. 2%; and ieex:p 71 pb4lao/ 8fmqn the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
