how many nanoseconds are in one second?
400429
10^9, or 1,000,000,000
23096
According to this site, one minute.
152036
13,200,000 Milliseconds are in 220 minutes \n\n220 x 60 x 1000
685470
the speed = distance/time
852104
The frequency in the number of times the wave vibrates in one second. \nIn your question, you probably have light.  The speed of light is 300,000km/s.  If you multiply the frequency and the wavelength, you get the speed.  That is v=lf\nThat 595nm is actually 595x10e-9m or 0,000000595m\nThe speed of light is 3x10e8m/s\nSo the frequency is\nf=v/l\nf=300000000/0.000000595\nf=504201680672268.91\nf=5.1e14 hertz
207943
I second that. If you look, one particular example is electron speed in a wire.  Do the calculation for 1amp of current flowing through a 10 cm radius copper wire and its speed is only on the order of a cm/sec.  Now you gotta ask how then do you communication so quickly over a wire if the electrons only travel at a snail's pace ;)
339135
first one is quite correct but frequency is in per second\n\n47 waves/min = (47/60)Hz   (1 Hz= 1wave/sec)
1044858
x = vt\n9.80 km = 0.300 Gm/s x t\nt = 32.7 microseconds = 3.27 x 10^4 nanoseconds
222515
200 inches per second (or 500 cmps)
727511
In metric units, c is exactly 299,792,458 metres per second (1,079,252,848.8 km/h). Note that this speed is a definition, not a measurement, since the fundamental SI unit of length, the metre, has been defined since October 21, 1983 in terms of the speed of light: one metre is the distance light travels in a vacuum in 1/299,792,458 of a second. Converted to imperial units, the speed of light is approximately 186,282.397 miles per second, or 670,616,629.384 miles per hour, or almost one foot per nanosecond.\n\nand everything about speech of light in this site\nhttp://en.wikipedia.org/wiki/Speed_of_light
133226
One millionth of a second looks like this .000001. That is not a lot of time. A millionth of a second is so useless that if you took a picture every millionth of a second that you wouldn't be able to tell the difference between most of the pictures. Plus you would need 1,000,000 pictures to have a second.
250190
This is really simple stuff. Newtons is force, seconds is time, meters is length, and meters per second is length per time, or velocity.
40920
60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, 365 days in a year. Multiple 60, 60, 24, and 365 and you get 31,536,000 \n(unless it is a leap year or there is a leap second)
747065
60 seconds per cell, 120 seconds total? are they in the same cup? Give me the answer!!!
789176
I'll take a simpler interpretation of the question and say one second is "calculated" to be 1/86400th of a day, where 86400 is the product of 24 hours times 60 minutes/hour times 60 seconds/minute. Problem is that the day (say from local noon to local noon by measuring the sun's highest point in the sky) is not constant throughout the year, so it was decided to use the average day looking over the whole year. \nFor very precise timings of experiments in the laboratory, one needs a very good pendulum or something else that oscillates or vibrates at a very constant frequency; then you can work back to what fraction of a day or how many seconds something takes. \nIn modern times cesium atoms provided the constant well defined measurable frequency, and scientists agreed to "define" one second as some number of these oscillations (9,192,631,770). Now when the earth decides to rotate at a different rate, scientists add leap seconds instead of redefining the second every year. \nLately the reliability of the cesium atom has been questioned, and since the speed of light (in vacuum) is defined as a fundamental "constant", the second can indeed be defined as how long it takes light to go some distance (299,792,458 meters), but that seems circular to me because I see a meter defined as how far light goes in 1/299,792,458 of a second.
924047
455 nanometers is 0.455 micrometers, 0.000455 milimeters, and 0.000000455 meters. Is that enough for you to get started, or would you like me to solve it for you...?\n\n16 NOV 06, 0336 hrs, GMT.
226867
The speed of light. 186,000 miles per second.