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Physics 1 Problem Solutions 32

# Physics 1 Problem Solutions 32 - 28 Chapt 3 Vectors and...

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28 Chapt. 3 Vectors and Trigonometry 003 qmult 00350 2 1 1 moderate memory: trig functions with 0 degrees 20. Sin, cos, and tan of 0 are, respectively: a) 0, 1, 0. b) 1 / 2, 3 / 2, 1 / 3. c) 1 / 2, 1 / 2, 1. d) 3 / 2, 1 / 2, 3. e) 1, 0, . 003 qmult 00354 2 1 3 moderate memory: trig functions with 45 degrees 21. Sin, cos, and tan of 45 are, respectively: 3. 3. 003 qmult 00356 2 1 4 moderate memory: trig functions with 60 degrees 22. Sin, cos, and tan of 60 are, respectively: 3. 3. 003 qmult 00380 1 1 3 easy memory: sinusoidal motion Extra keywords: sinusoidal motion from circular motion. 23. An object is undergoing uniform circular motion (i.e., revolving in a circular in a circle at a uniform speed). If the object’s motion is projected on a line in the plane of the circle and passing through the center of the circle, the motion along the line is as a function of time.
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