Energy Conservation With Conservative Forces: In the figure, a ball hangs by a very light string. What is the minimum speed of the ball at the bottom of its swing (point B) in order for it to reach point A, which is 1.0 m above the bottom of the swing?
A. 2.2 m/s
B. 3.1 m/s
C. 4.4 m/s
D. 4.9 m/s
Answer: C
Physics & Space Science
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