The position vector r describes the path of an object moving in the xy-plane. Position Vector Point r(t) = (2e, 6e) (2,6) (a) Find the velocity vector v(t), speed s(t), and acceleration vector a(t) of the object. v(t) = s(t) = a(t) = (b) Evaluate the velocity vector and acceleration vector of the object at the given point. v(0) = a(0) =

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A: Velocity,v(t) = dr/dt Acceleration, a = dv/dt

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