[填空题]
The lengths of the sides of a rectangular plate are meas*2ml .zo5ysq2los9qm zkqq:a4d+ r kj1v0 e -bured, and,eehsz*e 5 sb0 the diagram shows the measured values with theih0s5e,z* e besr 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 be adde,x/cj4d04blo:s dq u,vbmmg:p y /f9 ad. Uncertainty in length is one part in bdjy,xaub0sd, :4: mv/9o/c m4fglqp50, 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
