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A 25 kg projectile is fired by accelerating it with anelectro magnetic rail on the earths surface. The rail makes a 30degree angle with the horizontal, and the guns applies a 1250 Nforce on the projectile for a distance of 7.50 m along the rail. (a.) Ignoring air resitance and friction, what it the net work doneon the projectile, by all the forces acting on it, as it moves 7.50m along the rail? (b.) Assuming it started at rest, what is thespeed after it has moved the 7.50 m?

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