[填空题]
The lengths of the scok z oja2ui-8 jnqjaz+2(t.3ides o3*qwiy1l*c v 4d sdsgbo79q8 d8 qc4vef a rectangular plate are measured, and the diagram shows the measured values wic q*b37y8wevdd*q8lgqs odi1vs 4 4c9th their uncertainties. 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 td qd9hz:7 hyp3e+c b/ihe percentage uncertainties need to be added. Uncertaiq+cdz h7/pe b:93idyhnty 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%.
Post time 2024-8-21 21:38:19
