A-A+
Which of the following test pairs reflects con
问题详情
Which of the following test pairs reflects consistent experimental data？
A.Experiment 1, wing design 2;Experiment 2, airspeed 200
B.Experiment 1, wing design 1;Experiment 2, wing design 2
C.Experiment 1, wing design 3;Experiment 3, airspeed 400
D.Experiment 1, wing design 1;Experiment 3, airspeed 400请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
In both experiments that choice (D) identifies, conditions are the same: the same wing design is used, and the airspeed of 400 mph is the same. (Logically enough, the efficiency result is also the same: 20:1.)
