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Mathematics, 25.12.2019 01:31 hHRS2997
The shadow of a pendulum cast on a flat board moves on a straight line. by placing the x-axis on the straight line with the origin at the middle of the total path, the x-coordinate of the shadow is given by the following function: x(t) = 39cos(Ï€t), where t is in seconds and x is in centimeters.
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