MeldrikM to [email protected] • 14 days agoHow deep is that cave?!lemmy.wtfmessage-square10fedilinkarrow-up168arrow-down11
arrow-up167arrow-down1playHow deep is that cave?!lemmy.wtfMeldrikM to [email protected] • 14 days agomessage-square10fedilink
minus-square@Carvexlink23•14 days agoNerdier math puts the 14 second total time as 12s falling and 2s sound returning, for a depth of 700m. Your napkin was fairly close!
Nerdier math puts the 14 second total time as 12s falling and 2s sound returning, for a depth of 700m. Your napkin was fairly close!