[填空题]
The lengths of the sid-as( jjps vmwqkqq30)d9) n+ mes of a rectangular plate are measurvtly ; y1sn)2ps kd9:e1.qatk ed, and the diagram shows the measured values with their uncertaintiad2;qtnlkvyye): s1 9tp.1ks es. 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 th9ljurzh+4k b z0*rqn 0e percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding zj0h+nub0rz4 9q*k rlthe uncertainties gives 6%.
Post time 2024-8-21 21:38:19
