September 6, 2013
Homework (3)
(Due date: by 11:30 on September 13, 2013)
Answer: Mass in the tank: 62.4 kg, Minimum theoretical wall thickness of the tank: 22.3
mm
Answer: Force: 45.6 N
Answer: For tube, h=5.94 mm, For parallel plate, h=2.97 mm

August 30, 2013
Homework (2)
(Due date: by 11:30 on September 6, 2013)
Homework
Hint: When you obtain an equation for the flow streamlines, the equation includes a
constant. You can plot several streamlines for positive y by changing the constant, say, 1,