The heat is on: The average MLB fastball velocity is up for the 6th straight year to 94.7 mph

NEW YORK (AP) — Chad Tracy notices how much baseball has changed in the 13 years since he took his last big league at-bat.
Scientific Research Publishing

Deriving the Relativistic Compton Wavelength Once Again: Correcting the Moving-Electron Derivation and Defending Relativistic Mass ()

In conventional modern physics, the Compton wavelength is usually treated as a rest-mass quantity only. When a particle moves ...
Investopedia

Understanding the Quantity Theory of Money: Key Concepts, Formula, and Examples

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Eric's career includes extensive work in both public and corporate accounting with responsibilities such as ...
BBC

Write and construct formulae

A formula is a rule that links variables and can be written using mathematical symbols. Substitute the given values for the length of one side (12) and the number of sides (5). Follow the formula ...
BBC

Calculating speed, distance and time

We can use formulas to model real-life situations. For example, the formula for calculating speed is speed = distance ÷ time. It is possible to calculate the speed, distance or time if you have the ...