Answer:
it appears to be farther away than it actually is, and therefore smaller then the object itself.
A closed space zone is one that is obstrutced in some way.
Hope this helps :)
1 ft =12 in
4 in = 0.333 ft
volume = (п/4)*(0.333)² = 0.087 ft²
vol. flow = spead *volume
=3 ft/s * 0.087 ft²
vol flow = 0.261 ft³/s
Answer:
when u find out pls lmk! i have the same question and I've been stuck for a while lol
