Momentum & Collisions
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Flashcards about Momentum and Collisions
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6 Terms
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Momentum
Momentum is equal to mass times velocity: 𝑝=𝑚∙𝑣
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Units of Momentum
The standard units of momentum are newton∙seconds, abbreviated N∙s.
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Direction of Momentum
The direction of an object’s momentum is always the same as its direction of motion.
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Total Momentum Before and After Collision
The total momentum of two objects before a collision is equal to the total momentum of two objects after the collision.
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Adding Momentum
Momentum values in the same direction add to the total momentum; momentum values in opposite directions subtract to the total momentum.
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Conservation of Momentum
The amount of momentum before a collision is always equal to the amount of momentum after a collision.
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Flashcards (62)