To calculate distance, speed or time given the other two variables: Draw a formula triangle close formula triangleA tool to help decide which calculation is needed to work out speed, distance, or ...

Two Spanish scientists have designed an equation that provides a highly accurate estimate of an individual's speed based on stride length. They used data from professional athletes and walking and ...

Two Spanish scientists have designed a formula that calculates athletes' speed based on their stride length.

In my recent post about calculating the speed of light, I mentioned Ole Roemer's calculation in 1676. The basic idea uses the orbit of one of Jupiter's moons. The orbital period is constant, but ...