Answer:
The energy changes forms.
Explanation:
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Answer:
The energy changes forms.
Explanation:
When the child is at point A or B, it has maximum gravitational potential energy (because height is maximum), and kinetic energy increases as the child moves away from from the extreme points and towards the midpoints between them.
The first option is not possible as energy cannot b used up, it can only be transformed from one form to another.
The second option is wrong because energy cannot increase without external energy being put into the system
The third option, while technically accurate, doesn't have any information in the question backing it up (for example, if it was said that the child was slowing down).
Hope this helps!
