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D Question 1 1 pts An object moves along a straight line with position at time t given by s (t) = 3t cost .

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D Question 1 1 pts An object moves along a straight line with position at time t given by s (t) = 3t cost . What is the velocity of the object at time t ? Ov(t) = 12t' cos t - 3t* sint Ov(t) = 1213 sint O v (t) = 12+3 cost + 3t+ sint O v(t) = -12+3 sint

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