Question 4 (a) An object is moving with position vector r(t) = cos(cot)i+sin(at)j + at³k. (1) Determine the velocity and acceleration vector of the object. (ii) If = rads s¹ and a = 2 m s² determine the position and velocity of the object at 1 = 3 s.

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Chapter1: Functions And Models
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Question 4
(a) An object is moving with position vector r(t) = cos(@t)i+sin(cot)j + at³k.
(i)
Determine the velocity and acceleration vector of the object.
(ii)
If = rads s¹ and a = 2 m s² determine the position and velocity of
the object at 1 = 3 s.
Transcribed Image Text:Question 4 (a) An object is moving with position vector r(t) = cos(@t)i+sin(cot)j + at³k. (i) Determine the velocity and acceleration vector of the object. (ii) If = rads s¹ and a = 2 m s² determine the position and velocity of the object at 1 = 3 s.
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