SI unit of potential energy?
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The SI unit of potential energy is
A soccer ball flying through the air in free fall at some height above the ground has a kinetic energy of and gravitational potential energy relative to the ground of . Later, the ball has moved to a different position where its kinetic energy is . What is the gravitational potential energy of the ball relative to the ground at this second location in SI units?
Show that the SI unit for capacitive reactance is the ohm. Show that the SI unit for inductive reactance is also the ohm.
