[填空题]
The lengths of the sides of a rectangular plate are measured,4*+q(s0c wyvjk) dw s nn.g0du a yfqh ;a5so1,dnd the diagram shows the measured values with dyh fso1a5 ;,qtheir 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 percenta2s/dq9-z1/dwje moe x ge uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it i qw9/smjd-/ e2e1odxz s one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
