Lpph (updated 2024-11-23)
Duration: 8:53
195.2K views | 17 Feb 2014
195.2K views | 17 Feb 2014
Two children are sending signals along a cord of total mass 0 50 kg tied between tin cans with a ten
Duration: 2:05
2M views | 30 Dec 2015
2M views | 30 Dec 2015
Duration: 0:24
51 views | 1 month ago
51 views | 1 month ago
Duration: 0:41
503 views | 1 month ago
503 views | 1 month ago
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