[填空题]
The lengths of the siv15o lpjp11 *n:shic ades of a rectangular plawf25 ;zpccc4w n;s/r sygu1l(te are measured, and the diagram shows the rczsgwf(scw/pu2c5 4ny;1l;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 multiplicatimu 4;l 8x:vgy3vnf;e gon so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 o:nle mg gy8;f4;ux3 vvr 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
