Mathematics, 29.06.2021 18:30, OkK1510

Find the angle between the directions of the velocity and acceleration vectors at time t of a particle with position vector $r = ({t}^{2} + 1)i \: - 2tj \: + ( {t}^{2} - 1)k$

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Find the angle between the directions of the velocity and acceleration vectors at time t of a partic...