A condition of the law of conservation of momentum is that no external forces are at play. Look at each of the following situations and choose if the law applies to it. Select all that apply. A. Two kinetic carts collide on a frictionless surface. B. A bullet strikes a wooden block, causing the block to accelerate from rest. C. Two cars collide on a dirt road where the force of friction is high. D. A coin sliding on a table experiences a frictional force.

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