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3 Mechanics

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Question 174

A particle P P\,P moves with constant acceleration. At time t=0t = 0t=0, P P\,P is moving in the direction (4i+3j)(4\mathbf{i} + 3\mathbf{j})(4i+3j) with speed 15 m s−1^{-1}−1. Six seconds later P P\,P is moving with velocity (−12i+6j)(-12\mathbf{i} + 6\mathbf{j})(−12i+6j) m s−1^{-1}−1.

Find the acceleration of PPP.

[5]
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3 Mechanics Questions

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