tamarahawkins834
10.01.2022 •
Physics
After a kid has been swinging and lands on the ground, what has happened to the energy in the system? PLEASE HELP
A. It has been destroyed, since it is no longer in the system and cannot do any work
B. It has been returned to the Earth as gravitational potential energy due to the change in height
C. It has increased the thermal energy of the molecules in the ground due to their increased motion
D. It has been transformed into elastic potential energy, since the swing has returned to its initial position
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Ответ:
i think it's D
hope this helps
Ответ: