A3.0 kg mass moving to the right at 1.4 m/s collides in a perfectly inelastic collision with a 2.0 kg mass initially at rest. what will the velocity of the combined mass be after the collision? show your work.
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Ответ:
0.84 m/s
Explanation:
we can solve the problem by using the law of conservation of momentum: the initial momentum must be equal to the final momentum, so we can write
where
Re-arranging the equation and substituting the numbers, we find
Ответ: