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A ball rolls from a to point B the total energy of the ball at point a is the same as the sum of its potentlal Energ and kinetic energy at point B which statement best explains the situation 
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A ball rolls from a to point B the total energy of the ball at point a is the same as the sum of its potentlal Energ and kinetic energy at point B which statement best explains the situation 

User Huy Nghia
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The kinetic energy of the ball b is 12.3kJ and ball B to a is 14.2kj
User Vinod Bhavnani
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