8. A vector A has a magnitude of 15 (in some unspecified units) and makes an angle of 25° with the x axis, and a vector B has a magnitude of 25 and makes an angle of 70° with the x axis. Compute the magnitudes and directions of the vectors: (a) C =Å+ B (b) Č = À - B (c) Č = Ả + 4B (d) Č = -Ả - 7B

8. A vector A has a magnitude of 15 (in some unspecified units) and makes an angle of 25° with the x axis, and a vector B has a magnitude of 25 and makes an angle of 70° with the x axis. Compute the magnitudes and directions of the vectors: (a) C =Å+ B (b) Č = À - B (c) Č = Ả + 4B (d) Č = -Ả - 7B

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 7P

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