1 second = 1 million microseconds.
A length of time that is 0.00000001 second is also called a "10 nanoseconds" or "10 ns" in scientific notation. This unit of time is commonly used in fields such as physics, engineering, and computing to measure very small time intervals. It is equivalent to one billionth of a second.
I think you mean "milliseconds". The prefix "milli" is used in the metric system of measurements to mean "one thousandth of", so a "millisecond" is one thousandth of a second, which means that there must be 1000 of them in 1 second.
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They're simply used for clarity - to make the number easier to read.
It can be. The word second is a noun, verb, or adjective. But it is be used in place of the adjective (secondly) in sentences such as "he finished second in the race." It can modify an adjective, as in "the second-highest score."
1 microsecond = 1 millionth of a second 1 second = 1 million microseconds
A microsecond is a unit of time equal to one-millionth of a second, or (10^{-6}) seconds. It is commonly used in fields like telecommunications, computing, and physics to measure very short durations. For context, there are 1,000 microseconds in a millisecond and 1,000,000 microseconds in a second. Microseconds are often relevant in high-speed processes, such as data transmission and electronic signal processing.
The answer depends on the units used for 39.51 It should be blindingly obvious to anybody that the answer for 39.51 microseconds and 39.51 days, for example, will be very different.
1 second = 1 trillion picoseconds.
The answer will depend on the units used for 343200. Are they days, hours, minutes, seconds, milliseconds, microseconds? Since you have not bothered to provide that information, I cannot provide a sensible answer.
The spaces between seconds are called "subseconds." In time measurement, subseconds can refer to divisions smaller than a second, such as milliseconds (one thousandth of a second), microseconds (one millionth of a second), and nanoseconds (one billionth of a second). These measurements are often used in fields requiring precise timing, such as science and technology.
Fifteen microseconds is a unit of time equal to 15 millionths of a second (15 µs). It is commonly used in fields like electronics, telecommunications, and computing to measure short durations, such as signal transmission times or processing delays. In practical terms, it's a very brief period, often relevant in high-speed data transfer or rapid system responses.
Units of time smaller than seconds include milliseconds, microseconds, and nanoseconds. A millisecond is one-thousandth of a second, a microsecond is one-millionth of a second, and a nanosecond is one-billionth of a second. These smaller units are often used in scientific and technological contexts where precise measurements are necessary.
A length of time that is 0.00000001 second is also called a "10 nanoseconds" or "10 ns" in scientific notation. This unit of time is commonly used in fields such as physics, engineering, and computing to measure very small time intervals. It is equivalent to one billionth of a second.
The processes (fission and fusion) that release energy in nuclear explosions complete in from about 10 microseconds to about 50 microseconds depending on the exact design used. How far a falling bomb might move in that time will depend on its velocity, but this distance will be insignificant compared to the diameter of the fireball.
Second-order conditioning.
Time is measured in exactly the same way regardless of whether the measurer uses metric, standard, or imperial measures. The base unit of time is the second. All the normal SI prefixes apply, but are generally only used for intervals shorter than a second.