08_InstSolManual_PDF_Part14 - 8-14 Chapter 8(b xcm 5 1 23.0...

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(b) The center of mass is a vertical distance of 8.7 cm below the hip and a horizontal distance of 31.7 cm from the hip. 8.51. Set Up: Let be to the right and let the origin be at the center of mass of the station wagon. Solve: (a) The center of mass is between the two cars, 24.0 m to the right of the station wagon and 16.0 m behind the lead car. (b) (c) (d) the same as in part (b). 8.52. Set Up: Let be to the right, with the origin at the initial position of the left-hand end of the canoe. The center of mass of the canoe is at its center. Solve: There is no net horizontal external force so is constant. Initially, so the center of mass doesn’t move. Initially, After she walks, gives She walks to a point 1.00 m from the right-hand end of the canoe, so she is 1.50 m to the right of the center of mass of the canoe and and The canoe moves 1.29 m to the left. 8.53. Set Up: Use Eq. 8.25. Solve: (a) (b) The absence of atmosphere would not prevent the rocket from operating. The rocket could be steered by ejecting
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