[填空题]
The lengths of the sides of a rectangzxbj x.;1wlb(ular plate are measured,,2sb1togjov(w5 ak k/ and the diagram sh,5kbsojv1wago2 /t (kows 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 thhnyw-pqxi4 i58x *q5te percentage uncertainties need to be added. Uncertainty i8wt5q n*p5yiq4hx-xi n length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
