which ball would hit the bottom of the bucket first?

Question

If I dropped a bowling ball in a bucket of water which is 45 degrees F, and dropped another bowling ball of the same weight, mass, and size in a bucket at 30 degrees F, both of them at the same time, which ball would hit the bottom of the bucket first?

Answer 1

First ball.
Once first ball dropped. The second ball push the first ball to the bottom of bucket.