[填空题]
The lengths of the sides of a rectangular plate are measured, and ther:d- f/ 4vtondayqi* jg9l/5 wwep tz-vv6gcw ;(oe.:zyc;iv3 lwt 0: diagram shows the measured values6vz;zc3 ;t:t (0-:gwwe vl.vpcyeowi with 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 the percentage uncertainties need to b;l5qb2 xi v0cbe added. Uncerta ;v x0lic5qbb2inty 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
