[填空题]
The lengths of the sides of a bv x0fd:bx 3,xrectangular plate are measured, a372oa :czwy eznd the diagram shows tzczey aw :o732he measured values 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 pqbb0;f1 kmhxx6 0e6pyercentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gi61;y0xhxekbpf0b m 6 qves 6%.