The short answer- it would keep traveling in a straight line forever. The longer, more accurate answer- inertia would keep the projectile moving in a straight line, but the gravitation from objects around it would have an effect on it's course and velocity over time.
The short answer- it would keep traveling in a straight line forever. The longer, more accurate answer- inertia would keep the projectile moving in a straight line, but the gravitation from objects around it would have an effect on it's course and velocity over time.
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