who decided that there is only 60 secs in a minute?
925709
The prevalence of the number 12 and its multiples can be traced back to ancient days and religious beliefs. The number 12 was regarded as a spiritually "complete" number (12 Apostles, 12 Tribes of Israel, etc.).\n\nThis is why we see such a prevalence of the number in our measurement systems...\n\n   12 inches in a foot\n   12*30 = 360 degrees in a circle\n   12 hours on a clock, 12*2 = 24 hours in a day\n   12*5 = 60 minutes in an hour\n\nOne other reason may relate to simplicity of divisions. Fold a piece of paper in half, then try to fold it into fifths. It's not so easy, but if you could do it, then you would have a paper with 10 divisions. Now fold the paper in half, then fold it in half again, then fold it into thirds. This is much easier and the end result is a paper with 12 divisions.
1133863
Usually less than an hour.
518470
six and a half minutes?
217693
There is a difference of 7hours.
14241
Because 33 sec < 43 sec, add 60 seconds and then subtract one minute from the first time (notice how that like adding nothing).\n3:15:33 -> 3:14:93\n3:14:93 - 3:14:43 = 0:0:50
1179981
That's a very good question. The choices weren't actually arbitrary. What the numbers 60 and 24 have in common is that they both have a lot of factors. This makes it easy to talk about not just a half hour, but also a quarter of an hour, a third of an hour, a fifth or a twelfth of an hour... \n\nAnother number that was chosen for it's number of factors is the number of degrees in a circle: 360.
953838
1 second = 1 000 000 microseconds
748149
60-80 beats per minute
646976
60 minutes to a degree, 60 seconds to a minute, so 60 x 60 = 3600 seconds per degree. 3600 x 360 = 1296000 seconds for 360 degrees.
833248
I believe its 150/min
770621
"Planck time". Which I think is around 10^-43 second. It's basically the smallest possible amount of time between two moments. Nothing can occur faster than it.
495204
60 seconds\n60 mins\n24hours\n7days\n4weeks\n10yrs\n20yrs\n100yrs\n1000yrs\n12months\n365days
365811
to reduce the time only
133140
59 seconds... that is an easy one :)
635417
3 minute's into the future...
364675
3000 rev per minute = 6000 pi radians/min = 6000/60 pi radians per second\n\n= 100 pi radians per second
685470
the speed = distance/time