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Á = 3.0î – 4.0k. A

Á = 3.0î – 4.0k. A

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For these 3 questions, answer number 3 only.

PROBLEM SET #2 1 (а) Write each vector Figure E1.37 in Fig. E1.37 in terms of the unit vectors î and ĵ. (b) Use unit vec- ( Ả (3.60 m) tors to express vector C, where Č = 3.00Ã – 4.00B. (c) Find the magnitude and direction of Ć. - 70.0° 2 You are given two vec- A = -3.00î + 6.00ĵ B = 7.00î + 2.00ĵ. terclockwise angles be positive. (a) What angle does À make with the +x-axis? (b) What angle does B make with the +x-axis? (c) Vector Ć is the sum of Ả and B, so Č = À + B. What angle does Č make with tors and 30.0° Let coun- B (2.4 m) SO the +x-axis? | Vector À = 3.0î –- 4.0k. (a) Construct a unit vector that 3 is parallel to A. (b) Construct a unit vector that is antiparallel to A. (c) Construct two unit vectors that are perpendicular to A and that have no y-component.
Transcribed Image Text:PROBLEM SET #2 1 (а) Write each vector Figure E1.37 in Fig. E1.37 in terms of the unit vectors î and ĵ. (b) Use unit vec- ( Ả (3.60 m) tors to express vector C, where Č = 3.00Ã – 4.00B. (c) Find the magnitude and direction of Ć. - 70.0° 2 You are given two vec- A = -3.00î + 6.00ĵ B = 7.00î + 2.00ĵ. terclockwise angles be positive. (a) What angle does À make with the +x-axis? (b) What angle does B make with the +x-axis? (c) Vector Ć is the sum of Ả and B, so Č = À + B. What angle does Č make with tors and 30.0° Let coun- B (2.4 m) SO the +x-axis? | Vector À = 3.0î –- 4.0k. (a) Construct a unit vector that 3 is parallel to A. (b) Construct a unit vector that is antiparallel to A. (c) Construct two unit vectors that are perpendicular to A and that have no y-component.
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