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12 years ago
As an object of mass 60 kg approaches the bottom of a ramp, point A, its speed is 20 m/s. It goes up the frictionless plane and turns around at point B. What is the potential energy of this object at point B? Use g = 10 m/s2.
A) 0 J
B) 6.0 × 103 J
C) 9 × 103 J
D) 12 × 103 J
E) 18 × 103 J
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12 years ago
D) 12 × 103 J
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