[填空题]
The lengths of the sidm9t/h.n0 fk1ub1g; n ,-(au rbenztkles of a rectan):x0iyjycc 7n y;bi7 vgular plate are measured, and the diagram shows the measured values with their uiiy7cb)7 xnyc v0:jy;ncertainties. 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 uncertainties need to e2lo j+pjy3s,be added. Uncertainty in length ,2sj3yojpel+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
