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Assignment 3-ch#2
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Assignment 3-ch#2

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chapter 2: vectors assignment

chapter 2: vectors assignment

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  • 1. Al-Farabi College Name: ………………… General Physics 101 PHYS Assignment III Instructor: Dr. Said Moh’d Azar Ch#2 1- Figure 2.18 shows a collection of vectors that can be combined in various ways. For example, A+C=B. Find (a) E+C; (b) A+F; (c) A+D; (d) E+A; (e) E+2A; (f) A-B; (g) B-A; (h) C-A. 2- In figure below, for what value of θ will C=A+B have (a) a maximum magnitude, and (b) a minimum magnitude? (c) Find C when θ = 90°. B=12 θ A=5
  • 2. 3- A vector has an x component of -10 and a y component of +3. (a) Draw a set of x-y axes and show the vector. (b) Calculate the magnitude and direction of the vector. 4- = 3 ̂ + 2 ̂, = 4 ̂ − ̂. Find the magnitude of (a) A+B; (b) A-B; (c) 2B. 5- = 2 ̂ + 4 ̂, Find the magnitude and direction of (a) A; (b) –A. 6- If θ=72° in figure below, find (a) the direction and magnitude of C=A+B by constructing a drawing using a ruler and protractor; (b) the direction and magnitude of C using the component method. B=12 θ A=5

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