How much weight is needed for something to sink in a river without surfacing again?

Question

How much weight is needed for something to sink in a river without surfacing again?

Answer 1

haha, I wont give advice on how to dispose of a body in the river

Answer 2

it's not weight, but density.

that's why those hydrocars don't sink, as well as a good seal

I could have something an ounce and it could sink if it was dense enough, like metal or something, while a rubber duck wouldn't.

Answer 3

1.27 lbs koko

Answer 4

Depends on how buoyant the object is.  For example, a rock doesn't need any weight to sink.  A life jacket on the other had can hold a lot of weight above the surface.

Answer 5

the asker trying to hide the evidence from crime scence

Answer 6

You haven't been working for the "family" again, have you?

Check the new Yankee stadium, they are looking for filler in the cement.

Answer 7

you must take in consideration  how fast the current is moving which determins the weight needed

Answer 8

Whatever he did, it's not worth it