{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Exam 1 Practice Fall 2009 - AAE 203 Fall 2009 Test One...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
AAE 203, Fall 2009 Test One Problem 1 Determine the dimension of ρ in order for the following equation to be dimensionally homogeneous. m ˙ V = - 1 2 ρV 2 C D S - W sin γ + T cos α where W and T represent forces, m is a mass, V is a speed, α is an angle, S is an area and C D is dimensionless. Problem 2 Consider the vector ¯ V of length 4 which is along the diagonal of the rectangle. The angle β is 30 . 3 4 β ˆ e 3 ˆ e 1 ˆ e 2 ¯ V Find an expression for ¯ V in terms of the unit vectors ˆ e 1 , ˆ e 2 , ˆ e 3 . 1
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Problem 3 Reference frame e is fixed in the earth. Bar T is rotating (relative to the earth) about an axis parallel to ˆ e 3 through O at a constant rate Ω. Relative to the bar, a disk
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern