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We will need a SUVAT equations, so first fill in what information we have:S = 0 (the point where the ball returns to the start)U = +15 m/sV = -15 m/s (from graph)A = -10 m/s (important that this is the op...

That Oedipus is subjected to so much suffering during the course of the play has been a subject of much interest to it’s many commentators: the protagonist undergoes blindness, hears a graphic depiction o...

Schools and work both have hierarchical structures. In school, the headteacher has the most control/power, whereas the students have the least control/power. This is mirrored at work in capitalist society...

Blood glucose increases and gets too high, this is detected by beta cells in the Islet of Langerhans. Increase in insulin secretion, this speeds up the rate of glucose uptake by tissue cells. Glucose gets...

When a wave reaches the end of a string, it is reflected and inverted, so in a fixed string in which we've caused vibrations, such as a guitar string, we have two sinusoidal waves travelling in opposite d...