(Answered) An object is initially moving with a speed of 100 ms in the

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An object is initially moving with a speed of 10.0 m/s in the direction 60.0 degrees N of E. Ten seconds later, the object is moving with a speed of 20.0 m/s in the direction 30.0 degrees S of E.

(a) What is the acceleration of the object in unit vector notation?

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