[填空题]
The lengths of the sides ofc(wkt-8j5 49qn sqijosgv(w6 a rectanmlx6hw vy2pxt c8d)vp33y0zyk 0+( hvgular plate are measured, and the diagram shows the measured valuesv dm+ hvl8xp(xct6yy3zp )00 32kwyv h 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 uncertaintieg4:wzxr d93mes need to be added. Uncertainty in length is one part imeg3zrw9x4d :n 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.