Question

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Answer 1

Which of the following is the most accurate statement of the law of conservation of momentum?
(Points : 1)
Momentum is a vector quantity.

The impulse acting on an object is equal to the momentum change it causes on another object.

When two objects collide, the momentum of each object stays the same.

The total momentum of a system of objects before and after an interaction is the same, if there are no outside

Answer 2

last one
\[\huge{p_i=p_f}\]

Answer 3

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