[填空题]
The lengths of the sij: 3*simd mobrh:9)ctde2 ijwg1pi 3em+s of a rectangular plate are measured, and the diagram showjiw2igme1 p3+s the 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 uncerimxil-(: ;5i:hdhdgd+s* zl yds k*t 7tainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height i-d+h *y :mtx :s 5ds;izhiidgdll(k7*t is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
