AP Physics 1hardmcq1 pt
A pendulum on Earth has period 2.0 s. Its length is about (g = 10 m/s², π² ≈ 10)
A.1.0 m
B.0.50 m
C.2.0 m
D.4.0 m
Explanation
Core Concept
L = gT²/(4π²) = 10(4)/(4·10) = 1.0 m.
Correct Answer
A1.0 m
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