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So if there is a swingset that is holding the swing at a length of 500 ft, could the person swinging generate enough energy to get the swing to maximum height?

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So if there is a swingset that is holding the swing at a length of 500 ft, could the person swinging generate enough energy to get the swing to maximum height?	2
If you put a penny on top of a plasma ball... why does it allow the electricty to pass outside and shock you? (video in description)	1