ME 242 textbook errata

ME 242 textbook errata - p.370 E7.2.26 = 8.610-4 kg cm2 a =...

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Errata as of 10/08/2006 p.54,55, Exam 2.12. Wrong sign for ˙ θ used. r ¨ θ = 3 . 79 m/s 2 , ¨ θ = 0 . 0758 rad/s 2 . p.150, E3.5.45. Replace “negative” with “positive” p.183, E3.8.7. θ = 0 , not 90 p.184, E3.8.16 Replace “ θ ” with “ φ p.192, m (appears twice) should be P p.200, E4.1.22 . ... bottom of a bowl at ... p.212, E4.2.11. 1.3 m should be 1.3 ft. p.212, E4.2.12. The end of the 5 m arrow should terminate at the pad of the spring. p.212, E4.2.13. C should be directly below B . p.213, E4.2.23. Person weighs 122 lb. p.217, E4.2.40. Vine’s free length should be 14 m, not 15 m. An additional question should be: “If an energy approach isn’t enough to solve the problem then use a force balance and numerical integration.” p.226, E4.3.6. Recall that 1 food Calorie = 1000 calories = 4184 J p.228, E4.3.25. Gasoline: 1 . 25 × 10 8 J / gal. p.229, E4.3.29. Eliminate “at 45 .” p.243, E5.1.9. Change (twice) 90 to 0 . p.244, E5.1.16. m A = 10 kg, m B = 1 kg. p.262, Exam. 5.11. Data is incorrect. Flow rate is 8 l/s, ˙ m = 8 kg / s, v = 20 m/s, F = - 160 N (-36 lb).
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