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Year 12 Specialist (Unit 3 & 4) Vector calculus

Circular motion

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Questions
Question 1
163020

A particle is moving around a circle of radius \(3 \text{ m}\) with a constant speed of \(6 \text{ m} / \text{s}\). Given that \(\theta=0\) at time \(t=0\), find:
i) the angular velocity of the particle.
ii) the position of the particle at time \(t=\frac{\pi}{4}\) seconds.
iii) the velocity of the particle at time \(t=\frac{\pi}{4}\) seconds.
iv) the acceleration of the particle at time \(t=\frac{\pi}{4}\) seconds.

i) \(2 \text{ rad} / \text{ s}\)
ii) \(3 j\)
iii) \(-6 i\)
iv) \(-12 j\)

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