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The photoelectric effect is one of the first pieces of experimental evidence of quantum mechanical phenomena. It describes how a material absorbs light and result in emission of electrons. Using a classic...

The chain rule is given by dy/dx= (dy/du)(du/dx). If we set u=6+2x+2x²then, y=u³ thus, dy/dx=(3u²)(2+4x) = (3(6+2x+2x²)²)(2+4x). Example does not ask...

Fartlek Training is a type of continuous training that involves varying speeds, inclines and terrains meaning intensity changes throughout the workout. It is used mainly by games players e.g. HockeyAn adv...

A negative externality is a spillover cost affecting a third party from an economic transaction.A negative externality that arises from fuel consumption is the air pollution affecting the health of the po...

During depolarisation, sodium ions move into the cell, resulting in the membrane potential rising from -70 millivolts (mV) to +40mV.During repolarisation, potassium ions move out of the cell, and the memb...