[填空题]
The lengths of the sides of a rectangular plate n6nq5fq 8o co nd2k6q8are measured, and the du ppk;g)is)ys) )5bcsiagram shows the measupb)yiuk)pssg 5)c;)s red 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 uncertaintiejv3,4 pac hh6cs need to be added. Uncertainty in length is one part in 50, i6jacc3ph,4 hv.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
