[填空题]
The lengths of the sides of a rectangulat *el,ho/xt(cwi*1b( cl;s -e(ikhlsr plate aro:wc 4bd qk))m bp1m:le measured, and the diagram shows th)o:p )kd 41bbwc:mlmqe 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 the percentage uncertainties need to be add9bn -kcybz 9)ked. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part -z)cbkk by99n in 25 or 4%. Adding the uncertainties gives 6%.
