[填空题]
The lengths of the sides of a rectangular plate are measured, and thev-v;y.z5vlfv 2 or 3mlix4p,xn;ke l:z d;*nw dkt,e3t8+ r xdriagram shows the measured values with their uncertdr,+extt rk 38ainties. 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 knr npsdcvq/(re3 y245fc p l+0dfs63percentage uncertainties need to be added. Uncertainty in length is one part(ef54p3+cn dklfyr0s6 rd2vpq/sc3n 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
