Master-of-Ceremony
Master-of-Ceremony t1_izy6bj6 wrote
Reply to comment by [deleted] in How does putting glass underwater, prevent it from breaking when drilling/cutting? by emelrad12
Uneven pressure? Can you elaborate?
Also, being under 4” of water is about 1% above atmospheric pressure, which the atmosphere itself fluctuates by
Master-of-Ceremony t1_izy23kc wrote
Reply to comment by [deleted] in How does putting glass underwater, prevent it from breaking when drilling/cutting? by emelrad12
What pressure? You’re going to be essentially at atmospheric
Master-of-Ceremony t1_j31pqtm wrote
Reply to comment by Redbelly98 in How fast would a body fall to earth if there was no atmosphere to stop it from accelerating past a terminal velocity? by straubzilla
More accurately, it’s just that you’ve defined you’re potential to be zero at infinity. You could’ve defined it to be anything (finite) at infinity so long as you remember to add that to the energy you have at radius r too
There’s important distinction between assuming and defining!