00:00If the cruise ship died and you used a really long oar to start paddling from the balcony,
00:06how hard would it be to row it back to shore?
00:09Well, the ship weighs over 200,000 tons,
00:13meaning you would need 60 million watts of energy just to move it.
00:17And a professionally trained rower can only produce about 300 watts,
00:22so you would actually need 200,000 people rowing non-stop.
00:26But that many rowers would fill every inch of space on the ship,
00:31and all those people would add 17,000 extra tons of weight,
00:34meaning you would need even more people, over 220,000, to move all the added weight.
00:41But that's enough to sink it before it ever even moves.
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