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Posted: **Wed Jun 08, 2022 10:55 am**

: An Object Is Moving With Position Vector R T Cos T I Sin T J At K I Determine The Velocity And Acceleration Ve 1 (18.08 KiB) Viewed 18 times

An object is moving with position vector r(t) = cos(@t)i+sin(@t)j + at³k. (i) Determine the velocity and acceleration vector of the object. (ii) If Ⓡ = rads s-1 and a = 2 m s-² determine the position and velocity of π the object at t = 3 s.