Classical Mechanics - Supplement 17 - Physics, Study notes of Physics

Download Classical Mechanics - Supplement 17 - Physics and more Study notes Physics in PDF only on Docsity!

8.01 Sept. 8, 1999. Bones Courtesy Museum of Comparative Zoology, Mammal Dept. Harvard, 26 Oxford Street, Cambridge, MA. www.imez.harvard.edu. Thanks to Maria E, Rutzmoser. Thigh bones (femur) of mammals. Length£ Thickness d* dit. (cm) (mm) Field Mouse 61566 1.1 + 0.05 0.7 + 0.1 0.063 +0.009 Oppossum 59742 7.3 + 0.2 6.7 + 0.5 0.092 + 0.007 Raccoon 61037 12.4 + 03 9.7 + 0.5 0.078 +0.004 Antilope 1779 22.0 + 0.2 18.3 + 1. 0.083 + 0.005 Horse 14892 42.0 + 05 48, +2. 0.114 +0.005 Moose 20994 45.2 +05 43.5 +2. 0.096 + 0.005 Elephant 1706 101. £1. 86. + 4. 0.085 +0.004 * The cross-section of a femur is oval-like, At the smallest cross-section, I took the average between the thinnest part, d;, and the thickest part, dz. I could have taken the V(d 1 Xdz), but that would have made very little difference.