[填空题]
The lengths of the sides of a rectangular plate are mert12n5,3 p9 ybk h0wdz.esxt lasured, and thl54vj oufw vjmh3+g)8 e diagram shows the measured values with their uncertaintieoljwfvj54+hg8)m3 u v s. 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 t,r-u4.gkbho + ddrm1z68 hyx h isb:w,he 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 ini h8,u1r4sd -orgmx kw hby6,+dhb.z : 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
