[填空题]
The lengths of the sides of a rectaus*;; jjwqlx7 gp6l x+ngular plate are measured, and the dian 7ks+wmpa.l 0+u 4cfxgram shows the measured values with their uncertucklw pm 0s4+nfx7.a+ainties. 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 be23tz+6ra nvwh added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%.vhr w26a+nt 3z Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
