62.50ms-2
31.25ms-2
12.50ms-2
10.00ms-2
Correct answer is C
\(\alpha = \frac{W_2 - W_1}{t} = \frac{5}{1} = 5 rad\)/s2 9 = \(\alpha\)r = 5 x 2.5 = 12.50m\s2
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