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ConceptMotion in a Plane with Constant Acceleration

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#### Question

A particle starts from the origin at *t *= 0 s with a velocity of 10.0 `hatj "m/s"` and moves in the *x-y *plane with a constant acceleration of `(8.0 hati + 2.0 hatj) ms^(-2)`.

(a) At what time is the *x*-coordinate of the particle 16 m? What is the *y*-coordinate of the particle at that time?

(b) What is the speed of the particle at the time?

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