[填空题]
The lengths of the sides of a rectangular plate are measured, and to* t3)+w 6jnw/licrw dheheq47*nn rve 2 diagram shows the meas re nh4*7enq2vured values 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 nee 96acj 2yrrlxug-(dqnh-s16h d to be added. Uncertainty in leng urhyl9cqr- xj2(6-gn a61 shdth 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%.