Ch 3 Questions and Answer - xy coordinates(8 m 12 m but...

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Print this page QUESTIONS 1 Can the sum of the magnitudes of two vectors ever be equal to the magnitude of the sum of the same two vectors? If no, why not? If yes, when? Answer: yes, when the vectors are in same direction 2 The two vectors shown in Fig. 3-21 lie in an xy plane. What are the signs of the x and y components, respectively, of (a) , (b) , and (c) ? Figure 3-21 Question 2. 3 Being part of the “Gators,” the University of Florida golfing team must play on a putting green with an alligator pit. Figure 3-22 shows an overhead view of one putting challenge of the team; an xy coordinate system is superimposed. Team members must putt from the origin to the hole, which is at
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Unformatted text preview: xy coordinates (8 m, 12 m), but they can putt the golf ball using only one or more of the following displacements, one or more times: Figure 3-22 Question 3. The pit is at coordinates (8 m, 6 m). If a team member putts the ball into or through the pit, the member is automatically transferred to Florida State University, the arch rival. What sequence of displacements should a team member use to avoid the pit? Answer: Either the sequence, , or the sequence, , , Page 1 of 1 Questions 12/23/2010 http://edugen.wiley.com/edugen/courses/crs4957/halliday9118/halliday9118c03/aGFsbGl. .....
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This note was uploaded on 01/12/2012 for the course PHYSICS phy 280 taught by Professor Griffo during the Fall '07 term at Bergen Community College.

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