[填空题]
The lengths of the sides of a rectanguq.*s iwxe4dc1lar plate are ;4i+*4sm-tadjqoje u measured, and the diagram shows th;u+ do*tmqij- e s4j4ae 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 multipntreomyj0p*,r9dtk +/ 6 i 5hkk,yg5vlication so the percentage uncertainties need to be added. Uncert55tp mg+*evyrtyj9rkk,/ okh06 di,nainty 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
