[填空题]
The lengths of the sides of a rectanvosj2 l tq4vn h d-p:z*(9c.jzad5:zngular plate araynhjo 1775 vu vpxywyc/lkz42um:+:e measured, and the diagram shows the measured pyv m 5k 47uh/7yclnzovy xa+1::2wjuvalues 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 uncertaintie -b7 r-nyhbrewd9):a pn5ytc.s need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or an-y prt:b-d)r.ncw57ye9 bh4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
