[填空题]
The lengths of the sides of a rectangu7s2:7yv 95fqzpyncp w l huv/n6t1 0nclar pl*)ytg0a liv4n ate are measured, and the diagram shows the measured values with their uncertaintiesl 0gvia)y4 t*n. 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 1glwbm15l0g b b5 +vtpneed to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part tg1pbbvg15lwl0bm +5 in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
