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60_Physics ProblemsTechnical Physics

# 60_Physics ProblemsTechnical Physics - Chapter 3 P3.17 The...

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Chapter 3 61 P3.17 The scale drawing for the graphical solution should be similar to the figure to the right. The magnitude and direction of the final displacement from the starting point are obtained by measuring d and θ on the drawing and applying the scale factor used in making the drawing. The results should be d = = − ° 420 3 ft and θ (Scale: 1 20 unit ft = ) FIG. P3.17 Section 3.4 Components of a Vector and Unit Vectors P3.18 Coordinates of the super-hero are: x y = ° = = ° = 100 30 0 86 6 100 30 0 50 0 m m m m a f a f a f a f cos . . sin . . FIG. P3.18 P3.19 A A A A A x y x y = −
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