CHAPTER 4 Forces in One Dimension
CHAPTER Practice Problems 4.1 Force and Motion pages 87–95 page 89 For each of the following situations, specify the system and draw a motion diagram and a free-body dia-gram. Label all forces with their agents, and indicate the direction of the acceleration and of the net force. Draw vectors of appropriate lengths. 1.
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CHAPTER 4 Forces in One Dimension - Mr. Nguyen's Website
nguyenmapleleaf.weebly.compage 93 6. Two horizontal forces, 225 N and 165 N, are exerted on a canoe. If these forces are applied in the same direction, find the net horizontal force on the canoe.
CHAPTER 5 Forces in Two Dimensions
nguyenmapleleaf.weebly.comChapter Assessment Concept Mapping page 140 to # $"# "# "# "#
CHAPTER 17 Reflection and Mirrors
nguyenmapleleaf.weebly.com5. Two plane mirrors are positioned at right angles to one another. A ray of light strikes one mirror at an angle of 30° to the normal. It then reflects toward the second mirror. What is the angle of reflection of the light ray off the second mirror?! r1!! i1! 30°! i2! 90° "! r1! 90° " 30° ! 60° Section Review 17.1 Reflection from Plane ...
CHAPTER 15 Sound - Mr. Nguyen's Website
nguyenmapleleaf.weebly.comResonance on Strings A violin sounds a note of F sharp, with a pitch of 370 Hz. What are the frequencies of the next three harmonics produced with this note? A string’s harmonics are whole number multiples of the fundamental, so the fre-quencies are: Chapter 15 continued. f 2! 2f 1! (2)(370 Hz) ! 740 Hz f 3! 3f 1! (3)(370 Hz) ! 1110 Hz
CHAPTER 5 Forces in Two Dimensions - Mr. Nguyen's Website
nguyenmapleleaf.weebly.comthe angles are equal, the horizontal forces will be equal and opposite and cancel out.The magnitude of this vertical force is F combined! F rope1 on swing cos ! " F rope2 on swing cos !! 2F rope2 on swing cos !! (2)(2.28 N)(cos 13.0°)! 4.44 N upward 9. Could a vector ever be shorter than one of its components? Equal in length to one of its ...
Energy, Work, and - Mr. Nguyen's Website
nguyenmapleleaf.weebly.com6. An airplane passenger carries a 215-N suit-case up the stairs, a displacement of 4.20 m vertically, and 4.60 m horizontally. a. How much work does the passenger do? Since gravity acts vertically, only the vertical displacement needs to be considered. W! Fd! (215 N)(4.20 m) ! 903 J b. The same passenger carries the same suitcase back down the ...
CHAPTER 3 Accelerated Motion - Mr. Nguyen's Website
nguyenmapleleaf.weebly.composition-time graphs of their motion? Both lines would have the same slope, but they would rise from the d-axis at different points, #15 m, and "15 m. b. What would be the difference(s) in their velocity-time graphs? Their velocity-time graphs would be identical. 14. Velocity Explain how you would use a velocity-time graph to find the time at
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