[填空题]
The lengths of the side88hj1piqb t:j s of a rectangular plate a6vvb;oq8dq2 m re measured, and the diagram shows the measured values with th2m6; qvb o8qvdeir 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 a.b tab4uvwgz o-g; )2ddded. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding thd)vub zo.g;-w a4gt b2e uncertainties gives 6%.
Post time 2024-8-21 21:38:19
