[填空题]
The lengths of the scsn/ghbj;vs2w9;qm , so+q61aosx/jp7x y *cides of a rectangular plate are measured, and the diagram shows the measured /*ossoxjcpx7ay+1 6q 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 percentag;ro 53ent7dq*n7m- xbjw)ubpe uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part uxd7 q5-tr3jwonn) ;m*7ebpb in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
