AP Physics 1mediummcq1 pt
A 0.20 kg ball on a 1.0 m string (pendulum) is released from horizontal. Its speed at the bottom is about (g = 10 m/s²)
A.4.5 m/s
B.10 m/s
C.2.2 m/s
D.9.0 m/s
Explanation
Core Concept
v = √(2gL) = √20 ≈ 4.5 m/s.
Correct Answer
A4.5 m/s
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