Energy Conservation With Conservative Forces: A 5.0-N projectile leaves the ground with a kinetic energy of 220 J. At the highest point in its trajectory, its kinetic energy is 120 J. To what vertical height, relative to its launch point, did it rise if there was no air resistance?
A. 44 m
B. 24 m
C. 20 m
D. 10 m
E. It is impossible to determine the height without knowing the angle of launch.
Answer: C
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