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.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter18: Mathematics In Engineering

Section: Chapter Questions

Problem 31P

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