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A sprain is a torn ligament occuring around a joint. A common example is a sprained ankle. Where as a strain is a torn muscle or tendon. For example a pulled hamstring.

When you exhale, the intercostal muscles relax. The diaphragm also relaxes and the ribs move inwards and downward. There is a decreased volume of the chest so therefore the pressure increases in the lungs. D...

Terminal velocity is the constant speed (in a particular direction) a body reaches when the forces are balanced , i.e. acceleration = 0 m s -2 . An example of this is a ball bearing dropped in oil. ⬆ Resista...

Using the equation Area = 1/2 * base * height: Area = 1/2 * 7 * 6 Area = 21 units.

There are many ways to solve quadratic equations including completing the square, factorisation and using the quadratic equation. Factorisation involves breaking the quadratic equation into two sets of brack...