P112HW9S06 - Physics 112 Homework #9 Spring 2006 * Prelim...

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Physics 112 Homework #9 Spring 2006 *** Prelim Exam #2 is 7:30-9 PM onThursday evening, Apr. 6. It covers chaps. #6-9 + secs. 10.3 (thru Ex. 10.7) & 12.3, circular motion dynamics (sec. 5.4 + HW #5 problems), HWs #6-9, Labs #5 & 6 + Pre- Labs, COOPs #6-8, and all relevant lecture material. Persons with conflicts or special needs please contact Edith Cassel ASAP. *** Read: Chapter 8 (sections 8.4, 8.5), Chapter 9 (all) Chapter 10 (only section 10.3 through Example 10.7) For discussion: Chap. 8: Qs #Q8.9, Q8.10, Q8.18, Q8.21; (not turned in) Chap. 9: Qs #Q9.4, Q9.5, Q9.6, Q9.9, Q9.10, Q9.12, Q9.13, Q9.18, Q9.19, Q9.21 Chap. 10: Qs #Q10.15, Q10.17, Q10.18; To be worked and discussed before Prelim Exam #2, but not turned in: #8.65 [Railroad Handcar] #9.52 [Parallel Axis Theorem] #9.47 [Flywheel Energy Storage] #9.89 #9.41 [Wagon Wheel] Please add: (b) What is the wheel's total kinetic energy when rolling without slipping at a speed of 3.0 m/s? What fraction of this is translational KE? What fraction is rotational KE? (c) If this wheel started rolling at 3.0 m/s up a hill of slope angle 20°, how far along the hill could it roll freely without slipping until it came to rest? 1. [Melting the Polar caps] The polar ice caps contain about 2.3 x 10 19 kg of ice. This mass contributes essentially nothing to the moment of inertia of the earth because it is located at the poles, close to the axis
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This homework help was uploaded on 04/21/2008 for the course PHYS 1112 taught by Professor Leclair,a during the Fall '07 term at Cornell University (Engineering School).

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P112HW9S06 - Physics 112 Homework #9 Spring 2006 * Prelim...

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