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A 10.0-g bullet is fired from a rifle having a barrel 0.60 m long. Choosing the origin to be at the location where the bullet begins to move, then the force (in newtons) exerted by the expanding gas on the bullet is given by: F(x) = 1.5x102 N + (1.0x102 N/m)x - (2.4x102 N/m2)x2, where x is in meters. Find the speed of the bullet as it leaves the barrel.

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