[填空题]
The lengths of the sides of a rectangular plate are measured, and the s1h;fp0 dy,+rs j ,vwhdiagram 9dn xl jtlht*ds*-k8w-t2t3 u shows the measured values with their uncertaintl 9w*th t *8x-3dukltts2-jdn ies. 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 percentageof v,5tu rq5 5ot*w(ns uncertainties need to be added. uv s5w5fotnor*5 tq,( 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
