- How can a person travel a distance of 500m and yet have a displacement of 0?

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2-4 scoops = 1 gram. I need to take 2-3 grams. What range of scoops do I need to take? Thank you.? Why Mn values in GPC analysis doesn't increase during outdoor aging of polymer modified asphalt? Given that y=0 when x=1, solve the differential equation
xyδy/δx=y²+4,
obtaining an expression for y² in terms of x.? Do doctors put pig's hearts in people? Functions problem plus an explanation with the answer would really help so i know how to solve the next one?