Question: 2. A particle moves with constant speed yo on a spiral trajectory given by r(t) = Aeko(t), where A and k> 0 are constants;

2. A particle moves with constant speed yo on a spiral trajectory

2. A particle moves with constant speed yo on a spiral trajectory given by r(t) = Aeko(t), where A and k> 0 are constants; r and are polar coordinates. (a) Determine the velocity v and the acceleration a as functions of r and 0. (b) Show that va = 0 at all times. [6]

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