[填空题]
The lengths of the sides of a rectarl fwrzh8a/ 6-c to6:*/v-qiblxof8lngular plate are measured, and the diagram shl:8f rf/-xooz/ - *6ibrw6c l lha8vtqe5j*8 r3-ng dcgxyp s7ows the measured values with their uncertainties.ysdggc*e5jp-n 87rx3 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 percentage uncer-45 ne ym)7i ghte.xzndvgy)+tainties need to be added. n)y + nhvi g-gy4t.xm5edz) e7Uncertainty 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%.