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I tried it again with paper clips and this time it started the same, but at the end the lighter one was a little bit slower

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when i made the pendulum higher, it swung the same.

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when i made the pendulum higher, it swung the same.

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by A LOT

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If I swing them together they keep crashing, so I counted while my sister timed for 10 sec. It was 8.

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This movie is 10 seconds too - and the light one was 8 too. The same!

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When I made one pendulum higher, they still seemed to swing the same.

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When I made the pendulum longer, it swung slower (I'm
not sure if it is a lot).

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I made a pendulum with a heavy rock and it did not go faster.  I was really sure it would.  I want to try again with a really heavy rock.

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I made a pendulum with a heavy rock and it did not go faster.  I was really sure it would.  I want to try again with a really heavy rock.

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When I made the pendulum heavier, it still swung the same!!!!!!!

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When I made the pendulum heavier, it still swung the same!!!!!!!