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First: an object remains at rest or constant speed unless acted on by an external force Second: Force is equal to rate of change of momentum Third: Every action has an equal and opposite reaction

The best way to remember derivatives is to use algebra, and the general function is y = ax n -> dy/dx = anx n-1 So for this equation dy/dx = (3x3)x 3-1 + (2x1)x 2-1 + 1x 1-1 So the answer would be dy/dx =...

When coherent, in-phase light passes through two slits they act as seperate sources, these waves diffract and overlap, causing regions of constructive and destructive interference. When they collide with a s...

Simply, aid can be thought of as the provision, assistance, support or relief to a cause (usually in the form of money) for nothing in return. Whether or not receiving aid leads to a country becoming reliant...

Normally you use the subjunctive to imply doubt or uncertainty . For example, you might say je doute qu'il soit dans le jardin.Verbs in the negative also trigger the subjunctive. For example, we would say je...