The figure represents a frictionless track where a 2.0 kg ball moves, starting from rest at
A. Consider g = 10 m/s². Determine the speed of the
ball passing through point B.
A) 2. 3 m/s
B) 10.2 m/s
C) 13 m/s
D) 25 m/s
E) 68 m/s
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