Satu Detik Sama Dengan

4 min read Jun 26, 2024
Satu Detik Sama Dengan

One Second: A Unit of Time with Fascinating Equivalents

What is One Second?

One second is a unit of time in the International System of Units (SI). It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. This definition was adopted in 1967 and is based on the natural properties of the caesium atom.

Equivalent Units of One Second

But what does one second really mean? Let's explore some fascinating equivalents of one second:

Time Equivalents

  • 1 second is equal to 1/60 minute
  • 1 second is equal to 1/3600 hour
  • 1 second is equal to 1/86,400 day

Distance Equivalents

  • Light Distance: Light travels approximately 299,792,458 meters (186,282 miles) in one second.
  • Distance on Earth: A commercial airliner flying at a speed of 915 km/h (567 mph) covers a distance of approximately 253 meters (830 feet) in one second.

Frequency Equivalents

  • Computer Clock Cycle: Most modern computers have a clock speed of around 1-3 GHz, which means they can perform 1-3 billion clock cycles in one second.
  • Radio Frequency: One second is equivalent to approximately 40,000 to 50,000 radio frequency cycles at a frequency of 40-50 kHz.

Energy Equivalents

  • Energy Consumption: A 100W light bulb consumes approximately 0.1 joules of energy in one second.
  • Kinetic Energy: A tennis ball moving at a speed of 50 km/h (31 mph) has a kinetic energy of approximately 15 joules, which is equivalent to the energy consumed by the light bulb in one second.

Other Equivalents

  • Heartbeats: An average adult heart beats around 60-100 times per minute, which means it beats approximately 1-2 times in one second.
  • Brain Activity: The human brain can process around 50-100 neural impulses in one second.


One second may seem like a short period of time, but it has many fascinating equivalents in different units of measurement. From the speed of light to the energy consumption of a light bulb, there are many interesting ways to understand the concept of one second.

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