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As the train went up the hill,(blank)
A)Gravitational potential energy...kinetic energy
B) Kinetic energy...Gravitational potential energy
was converted into
A)Gravitational potential energy...kinetic energy
B) Kinetic energy ... gravitational potential energy

As the train went down the hill,(blank)

A)Gravitational potential energy...kinetic energy
B) Kinetic energy... gravitational potential energy

was converted back into
A)kinetic energy ..
gravitational potential energy

B)gravitational potential energy... kinetic energy

As the train went up the hillblank AGravitational potential energykinetic energy B Kinetic energyGravitational potential energy was converted into AGravitationa class=