Chapter 9 - Chapter 9 1(a-1.50 m(b-1.43 m 2(a 1.1 m(b 1.3...

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Chapter 9 1. (a) -1.50 m;(b) -1.43 m 2. (a) 1.1 m;(b) 1.3 m;(c) toward 3. (a) -6.5 cm;(b) 8.3 cm;(c) 1.4 cm 4. (a) 11 cm;(b) -4.4 cm 5. (a) –0.45 cm; (b) –2.0 cm 6. (a) 20 cm;(b) 20 cm;(c) 16 cm 7. (a) 0;(b) 3.13 × 10 -11 m 8. (a) 6.0 cm;(b) 6.0 cm;(c) descends to lowest point and then ascends to 6.0 cm;(d) 4.2 cm 9. (a) 28 cm;(b) 2.3 m/s 10. (a) 22 m;(b) 9.3 m/s 11. (-4.0 m) + (4.0 m) 12. 6.2 m 13. 53 m 14. (a) 5.74 m;(b) (10.0 m/s);(c) (-3.68 m/s 2 ) 15. (a) (2.35 - 1.57) m/s 2 ;(b) (2.35 - 1.57) t m/s, with t in seconds;(d) straight, at downward angle 34 ° 16. 58 kg 17. 4.2 m 18. 4.9 kg . m/s 19. (a) 7.5 × 10 4 J;(b) 3.8 × 10 4 kg . m/s;(c) 39 ° south of due east 20. 48 ° 21. (a) 5.0 kg . m/s;(b) 10 kg . m/s 22. (a) 30.0 ° ;(b) (-0.572 kg . m/s) 23. 1.0 × 10 3 to 1.2 × 10 3 kg . m/s 24. (a) 1.1 m;(b) 4.8 × 10 3 kg . m/s 25. (a) 42 N . s;(b) 2.1 kN 26. (a) 2.2 × 10 2 Ns; (b) 2.7 × 10 3 N 27. (a) 67 m/s;(b) - x ;(c) 1.2 kN;(d) – x 28. (a) 9.1 Ns;(b) 1.8 × 10 3 N 29. 5 N 30. (a) 1.00 N . s;(b) 100 N;(c) 20 N 31. (a) 2.39 × 10 3 Ns; (b) 4.78 × 10 5 N; (c) 1.76 × 10 3 Ns; (d) 3.52 × 10 5 N 32. (a) (30 kg . m/s);(b) (38 kg . m/s);(c) (6.0 m/s) 33. (a) 5.86 kg . m/s;(b) 59.8 ° ;(c) 2.93 kN;(d) 59.8 ° 34. (a) 4.50 × 10 -3 N . s;(b) 0.529 N . s;(c) push 35. 9.9 × 10 2 N 36. (a) 7.17 N . s;(b) 16.0 kg . m/s 37. (a) 9.0 kg . m/s;(b) 3.0 kN;(c) 4.5 kN;(d) 20 m/s 38. (a) (1.8 N .
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