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    Physics & Astronomy
  3. Study Set
    Physics for Scientists and Engineers Study Set 4
  4. Exam
    Exam 3: Kinematics in Two or Three Dimensions; Vectors
  5. Question
    Vector Has a Magnitude 5
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Vector Has a Magnitude 5

Question 78

Question 78

Multiple Choice

Vector Vector   has a magnitude 5.00 and points in a direction 50.0° counterclockwise from the positive x axis. What are the x and y components of vector   . A) A<sub>x</sub> = 0.643 and A<sub>y</sub> = 0.766 B) A<sub>x</sub> = -3.83 and A<sub>y</sub> = -3.21 C) A<sub>x</sub> = 3.21 and A<sub>y</sub> = 3.83 D) A<sub>x</sub> = 3.83 and A<sub>y</sub> = 3.21 E) A<sub>x</sub> = 0.766 and A<sub>y</sub> = 0.643 has a magnitude 5.00 and points in a direction 50.0° counterclockwise from the positive x axis. What are the x and y components of vector Vector   has a magnitude 5.00 and points in a direction 50.0° counterclockwise from the positive x axis. What are the x and y components of vector   . A) A<sub>x</sub> = 0.643 and A<sub>y</sub> = 0.766 B) A<sub>x</sub> = -3.83 and A<sub>y</sub> = -3.21 C) A<sub>x</sub> = 3.21 and A<sub>y</sub> = 3.83 D) A<sub>x</sub> = 3.83 and A<sub>y</sub> = 3.21 E) A<sub>x</sub> = 0.766 and A<sub>y</sub> = 0.643 .


A) Ax = 0.643 and Ay = 0.766
B) Ax = -3.83 and Ay = -3.21
C) Ax = 3.21 and Ay = 3.83
D) Ax = 3.83 and Ay = 3.21
E) Ax = 0.766 and Ay = 0.643

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