1
Quiz 11 Report 12/4/2020
1. Summary
Total number of students 10
Attended 8
Missed 2
Average grade 8.88
Standard deviation of grades 1.25
2 2. Comments
• Some of student calculated wrong Reynold number
• One student confused the unit between ‘mm’ and ‘cm’ when he tried to find the drag coefficient, so used wrong drag coefficient.
• Some of student made mistake when they interpolate the drag coefficient to find the angle of cone
• One student could not derive the moment for each part separately, so calculated wrong answer