Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, ...

Students often fail to apply logic to simple equations and move straight ... to always sense-check mathematical answers in physics, using a speed calculation as an example. Average speed.

The most commonly used unit in Physics is metres per second (m/s). Based on what you have learned about the speed equation in the video, have a go at this question. Calculate the speed of a runner ...

Physics Formulas for CBSE Class 10 Students ... for the light of a given colour and for the given pair of media. If c is the speed of light in air and v is the speed of light in the medium ...