How to find the length of the arc (which is the part of a parabola) formed between the points (-b,0) and (b,0) with the point on it, (0,a) in contact with the y axis?
While seated in a bus, at every place, and near every window we feel like the air is coming in. Through where does the air coming thus escape? Also why can't we feel it?
What is the mystery behind the below picture. How does this happen?
Please give the complete derivation of arc lenth formula
What is range of a projected body
what is the n factor?
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