[填空题]
The lengths of the sih: -jhr0h-h6p0hb wmzdes of a rectangular plate are measured, andxb;y7q59v ezmn rw x48ixt 59* ll6ikp*bw0rz the diagram shows therrw *9v*i7 qz5x9mxz0x8 llwk6n p4ti ;eb b5y 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 percentage uncertainties nees/h3yay -te kv6h+h*md to be added. Uncertainty in length is one part in 50, i.e. 2%; and inhh-3 *t6y y/shevmak + the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
