AP Physics 1hardmcq1 pt
A 2.0 kg solid sphere (I = ⅖mr², r = 0.10 m) rolls at 3.0 m/s. Its angular momentum about its center is
A.0.24 kg·m²/s
B.0.60 kg·m²/s
C.0.12 kg·m²/s
D.0.48 kg·m²/s
Explanation
Core Concept
ω = 30 rad/s; L = Iω = ⅖(2.0)(0.01)(30) = 0.24 kg·m²/s.
Correct Answer
A0.24 kg·m²/s
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