[填空题]
The lengths of the sides of a 3;++28jlltilom ivgf ):hb bh rectangular plat(;2an p .cce :c0h xof(ttck:jmq+ rv)e are measured, and the diagram show:;aot2xcp+)f rcjq:vc (.hne (0cmk t s the measured values with their 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 u.v 5 vlor1;yxthe percentage uncertainties 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 uncerta5vou1v.yrl x; inties gives 6%.
Post time 2024-8-21 21:38:19
