APFIVE Non-Conservation of Mechanical Energy
A 0.5 kg ball is thrown upward with an initial kinetic energy of 20 J. At its maximum height, the ball’s gravitational potential energy is 15 J. Which of the following best explains the 5 J difference in energy?
A
It was stored as elastic potential energy
B
It was transferred to the surroundings as thermal energy
C
It was converted to rotational kinetic energy
D
It remains as translational kinetic energy
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