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ch01-QZ - Cutnell/Johnson Physics 8th edition Classroom...

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Cutnell/Johnson Physics 8th edition Classroom Response System Questions Chapter 1 Introduction and Mathematical Concepts Reading Quiz Questions
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1.3.4. In dimensional analysis, the dimensions for speed are a) b) b) b) b) [ ] [ ] T L 2 [ ] [ ] 2 T L [ ] [ ] 2 2 T L [ ] [ ] T L [ ] [ ] T L
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1.4.2. For a given angle l , which one of the following is equal to the ratio of sin l /cos l ? a) one b) zero c) sin 1 l d) arc cos l e) tan l
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1.4.3. Referring to the triangle with sides labeled A, B, and C as shown, which of the following ratios is equal to the sine of the angle l ? a) b) b) b) b) B A C A C B A B B C
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1.4.4. Referring to the triangle with sides labeled A, B, and C as shown, which of the following ratios is equal to the tangent of the angle l ? a) b) b) b) b) B A C A C B A B B C
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1.5.1. Which one of the following statements is true concerning scalar quantities? a) Scalar quantities have both magnitude and direction. b) Scalar quantities can be added to vector quantities using rules of trigonometry.
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