[填空题]
The lengths of the sides of a rectand noh+oavz665 gb;s) o- 55;xlikuuomqular plate are measured, and the diagram shows the measured values with their un ;5l)-bio;xo5muq sukcertainties. 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 n b(rx39-vk t*ez0yd jyeed to be added. Uncertainty in length is one part in 50, i.ek rz3*bxt0 yv-e(dyj9 . 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
