[填空题]
The lengths of the sides of a rectangul3s7zpo u yb,wjeoj ta+s/x8:,ar pln oc)q;v+ irc;mm*2 r r0ohj/so ;z3xyate are measured, and the diagram shorq njx0r3; ymiso2r o*/+ v;;czchmo) ws the 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 multiplicatio8k a2q+wzbk*g.l+g trn so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, trk k82w+q+.ga gz*b li.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
