[填空题]
The lengths of the sides of a wgwc c)e2 y(zcmq 3f1.rectj qdqv t72 (;usq 0tmtj3wk,o0angular plate are measured, and the diagram shows the measured values with t vtqo0dkm,u7q;(w j0js 3 tqt2heir 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 uncertaintlxfv0f zqi:uv5w 6 zoysl2b4.:x3i* eies need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uni2 x lziffb.yo50:: sw 4veqlz 6xuv3*certainties gives 6%.
Post time 2024-8-21 21:38:19
