The second (s or sec) is the International System of Units (SI) unit of time measurement. One second is the time that elapses during ...

Learn about meter per second (m/s), the SI standard unit of speed and velocity. See how to calculate average speed vs. average velocity.

The foot per second (symbolized ft/s or ft/sec) is the unit of linear speed in the foot-pound-second (fps) or English system. This quantity can be defined ...

The radian per second (symbolized rad/s or rad/sec) is the Standard International (SI) unit of angular (rotational) speed. This quantity can be defined in ...

At one-billionth of a second, a nanosecond is smaller than a millisecond and microsecond, but larger than a picosecond, femtosecond, attosecond or zeptosecond.

The newton-second (N times s) is the standard unit of impulse. It is expressed as the product of applied force multiplied by time.

One pound (1 lb) is the force that produces an acceleration of 32.1740 feet per second squared (32.1740 ft/sec2) when applied against a known standard mass. The ...

The kilogram-meter per second (kg · m/s or kg · m · s -1 ) is the standard unit of momentum . Reduced to base units in the International System of Units ( SI ), ...

Before that, the kilogram was defined as the mass of one liter (10-3 cubic meters) of pure water. Second (s). Unit of time. One second is the time that ...

Floating-point operations per second (FLOPS) is a measure of a computer's performance based on the number of floating-point arithmetic calculations that the ...