To make a science-fiction movie reasonably realistic from a scientific perspective, a screenwriter is seeking your advice on one of the scenes. In the scene, one of the actors stand motionless before firing a projectile weapon at a massive alien creature. Compare the total momentum of the actor and projectile before the projectile is fired with their total momentum just after the projectile is fired
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To make a science-fiction movie reasonably realistic from a scientific perspective, a screenwriter i...
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