[填空题]
The lengths of the sideb 9 76f waps2q t-2noht4fh,zjs of a rectangular 7yrzmq: q-h-h5b9d1 xl*lsse plate are measured, and the diagram shows the measured valubd- mzq9xy7ssheq*1hl :- 5lres 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 0okp.ofulq3soy*1, js need to be added. Uncertainty in length is one partu pj kfsolq*y1o,o3.0 in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
