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NCERT4.32. (a) Show that for a projectile the angle between thevelocity and the x-axis as a function of time is givenby-1 (voy gt0 (t) tanox(b) Shows that the projection angle 0, for a projectilelaunched from the origin is given by(4hθ = tan-1 nmwhere the symbols have their usual meaning.Sol.

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