A long thin rod of length \( 2 L \) rotates with a constant angular acceleration of \( 10 \mathr...
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0A long thin rod of length
\( 2 L \) rotates with a constant angular acceleration of \( 10 \mathrm{rad} / \mathrm{s}^{2} \) about an axis that is perpendicular to the rod and passes through its center.
What is the ratio of the tangential acceleration of a point on the end of the rod to that of a point a distance \( L / 2 \) from the end of the rod?
(A) \( 1: 1 \)
(B) \( 2: 1 \)
(C) \( 1: 4 \)
(D) \( 1: 2 \)
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