[填空题]
The lengths of the sides of a rectangular plate are measurettc3m0t8ag :td, and the +-x ax3 lpl nrdearhy3t*c*rl*-a* 5sdiagram shows the measured values with their uncertaintiesx+a5 c-pxrl3ar lase* -l *y*3 rhd*nt. 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 multiplicx,u0i4qgj/8ze q d2jiqo./ raation so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the heiz/ qe42a.,/jqdigqju0 o8i rx ght it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
