The same shape, mass and of the same material.

Are the two objects interchangeable -- that is, can we swap A and B and get the same result?

A simple answer to your question is that atmosphere is not homogeneous. Dropping one object, say, over a hurricane downdraft and another over an updraft would result in different velocities relative to ground and so the one dropped from a higher altitude can reach the surface earlier.

Open thread, Feb. 06 - Feb. 12, 2017

by MrMind 1 min read6th Feb 2017115 comments

5


If it's worth saying, but not worth its own post, then it goes here.


Notes for future OT posters:

1. Please add the 'open_thread' tag.

2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)

3. Open Threads should start on Monday, and end on Sunday.

4. Unflag the two options "Notify me of new top level comments on this article" and "