[填空题]
The lengths of the sjkd- /wqis :suzq6j0 /ides of a rec/.ku8v6ds+m 1dv jw8 h-gmqbstangular plate are measured, and the diagram shows the measured vsb.g1k8d /vmmsd +uw qv-hj8 6alues 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 d 0ui2/olaz,k rnj1 0fqztl, ,-vvyb8so the percentage uncertainties need to be added. i0fr bku z,nj1z2tad8llv,- 0o/yq v,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 uncertainties gives 6%.
Post time 2024-8-21 21:38:19
