[填空题]
The lengths of the sides of a rectangular platm 5t8xfs3.tu *fxp dp)e are measured, a bb ,ft8g ccvtj5u9iuy.3uw(, nd the diagram shows the measured values with their u35b, v9. iuc(t bjwtf, ucyug8ncertainties.
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 be addhc,ojk x6*(woe vq4e6ed. 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 uncertaint ,6ovxeecqk jho( *4w6ies gives 6%.