A wheel accelerates at uniform angular acceleration $$\(\alpha\)$$ from rest. If its speed after one full rotation is $$\(\omega\)$$, what was its speed after half a rotation?
A.
\(\omega\)
B.
\(\frac{3}{4} \omega\)
C.
\((1 / \sqrt{2}) \omega\)
D.
\(\frac{1}{2} \omega\)
E.
\(\frac{1}{4} \omega\)
Exam No：AP Physics C Practice Test Year：2024 Question No：14
Answer:
C
Knowledge points:
5.2 Rotational Kinematics
Solution:
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