Depends on if the drive was powered on or not. If not you can wait awhile for it to dry out, or even better spray it off with compressed air to dry it out. DO NOT turn it back on or it will fry.
If the drive was on when it fell in the water, you'll just have to dry it out and see if it still works.
Electronics are washed with water as part of the manufacturing process; the key is that they aren't powered on. Wet electronics with power applied makes for lots of short circuits and that causes damage.
How many movies a 64 gb flash drive can store depends on the length of the movies. If eacah movie is about 2 hours, then the flash drive can hold up to 21 movies.
The duration of Submerged is 1.6 hours.
64?
About 2k songs.
For a DVD quality film which is around 2 hours long, it equates to around 1GB of memory. This means you could store around 8 hours worth on a 4GB Usb Flash drive.
24 hours
24 hours
The duration of Flash Gordon - serial - is 4.08 hours.
The duration of Flash Point - film - is 1.47 hours.
The duration of Royal Flash - film - is 1.7 hours.
The duration of Flash of Genius - film - is 1.98 hours.
It depends on the length of the song, but if they were typically all 3:45 and standard 260kbps, you could have about 1,700 songs.