In Exercises 15-18. r() is the position of a particle in space at timer. Find the angle between the velocity and acceler
Posted: Tue Jun 07, 2022 6:53 am
In Exercises 15-18. r() is the position of a particle in space at timer. Find the angle between the velocity and acceleration vectors at time r = 0. 15. r(t) = (3r + Di + V³rj = 7²k 16. r(7) - (2¹)i + (√²-16²)i 17. T() HONDANO (In (r² \\_\_D))i + (tan¯' 7)j + V² +Tk 18. r() = (1 + 0³³i + ¦(1 − D½ªj + =tk