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15-04-2024
Physics

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The position of a particle moving in the x'y-plane is given by (x (t) , y (t)), where x (t) - t* + 2t and y (t) - 5t' - 7. What is the speed of the particle at time t - 3?
a. 1.034
b. 18.601
c.18.7091
d.41.725

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