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Author Question: A boy is flying a model airplane while standing on a straight line. The plane, at ... (Read 859 times)

azncindy619

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Solve the problem.

A boy is flying a model airplane while standing on a straight line. The plane, at the end of  a twenty-five foot wire, flies in circles around the boy. The directed distance of the plane from the straight line is found to be
d = 25 cos
where d is measured in feet and t is the time in seconds. If d > 0, the plane is in front of the boy; if d < 0, the plane is behind him.
What is the amplitude? What is the period?
Graph d over two periods beginning at t = 0.



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Marked as best answer by azncindy619 on Feb 28, 2021

livaneabi

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