16. The rectangular coordinates of a particle are given in millimeters as functions of time t in seconds by x = 20t + 3t² = 40 sin 2t, and z = 30 cos 2t. Determine the angle Teta1 between the acceleration a and the velocity v and the angle Teta2 between the position vector r and the acceleration a, both at time t = 3s.
16. The rectangular coordinates of a particle are given in millimeters as functions of time t in seconds by x = 20t + 3t² = 40 sin 2t, and z = 30 cos 2t. Determine the angle Teta1 between the acceleration a and the velocity v and the angle Teta2 between the position vector r and the acceleration a, both at time t = 3s.
ChapterB: Graphical Analysis Of Planar Trusses
Section: Chapter Questions
Problem 7P
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16. The rectangular coordinates of a particle are given in millimeters as functions of time t in seconds by x = 20t + 3t² = 40 sin 2t, and z = 30 cos 2t. Determine the angle Teta1 between the acceleration a and the velocity v and the angle Teta2 between the position
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