Question 4 Only

Please see the attached. I am looking for help with question 4 ONLY in this posting. The other questions have been posted separately. This is from the book Mechanical Vibration, (ISBN 0-13-948373-X), By Haym Benaroya, year 1998. 4. Use Lagrange's equation to derive the equations of motion for the system. Please see attached.

Question 5 Only

Please see the attached. I am looking for help with question 5 ONLY in this posting. The other questions have been posted separately. They come from Mechanical Vibration, in Book ISBN: 0-13-948373-X, year 1998, by Benaroya, Haym. 5. Twenty-five samples of steel beam were chosen and tested for Young's Modulus. Eight had a modulus.. Please see attached.

Question 6 Only

Please see the attached. I am looking for help with question 6 ONLY in this posting. The other questions have been posted separately. They come from Mechanical Vibration, in Book ISBN: 0-13-948373-X, year 1998, by Benaroya, Haym. 6. What does the fact ... imply aboutthe value of... and...? Why? Please see attached.

Question 9 Only

Please see the attached. I am looking for help with question 9 ONLY in this posting. The other questions have been posted separately. They come from Mechanical Vibration, in Book ISBN: 0-13-948373-X, year 1998, by Benaroya, Haym. 9. Look around your world and provide applications where plate model could be useful.

Period of Oscillation

Please see the attached. I am looking for help with question 2 ONLY in this posting. This is from the book Mechanical Vibration, (ISBN 0-13-948373-X), By Haym Benaroya, year 1998. Please solve with details. Problem (also attached): 2. For the body suspended between two springs as in Figure 2.28 (see attached), show that the period of oscillation is (see attached).