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The first, and perhaps most important, step is to 'deconstruct' the essay question. Essentially what you need to do is find 'the heart' of the question, this will usually allude to a certain thesis that y...

Momentum is conserved. MU + mu = (M+m)v   (1200 x 8) + (800 x 0) = (1200 + 800)v 9600 = 2000v v = 9600/2000 = 4.8m/s

Imagine a cell like a rectangle, of which one side has finger-like projections (this side faces the intestinal lumen) called the villi, and the other side is flat - the base membrane of that cell that is....

Unit circle: x² + y² = 1 when x = sqrt(3)/2:  y² = 1 - (sqrt(3)/2)²  y² = 1 - 3/4  y² = 1/4  y = 1/2 or -1/2 (first quadrant, so y is posi...

The rate of a reaction is the rate at which reagents are used up and product are formed. Reaction rates depend on concentration. A typical rate law is rate=k*[A]^m*[B]ⁿ. To find the v...