Why is jumping from a bridge lethal?

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Obviously I know hitting the surface of water flatly would be lethal but you should be able to stay relatively unharmed if you jump like divers do.

In: Physics

6 Answers

Anonymous 0 Comments

Have you ever swirled your finger around a pool of water, pretty easy right? Have you ever tried to swim with a nice fast stroke, that’s a lot harder right? If you give the water time to move, it’ll move around you quite nicely. If you try to force it aside, it’ll resist and you’ll need to use more strength.

It takes force to move water. The more water you’re trying to move or the faster you try to move it, the more force it’ll take.

If you’re hitting the water at a terminal velocity or something approaching it, that water isn’t moving in a hurry. Since the water isn’t moving aside for you much, you’re going to have a really hard landing. A bone-breaking, organ rupturing landing.

And if you don’t die on impact, now you’re in the water with a body that’s in no shape to swim.

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