lattimorekeonna1
30.05.2021 •
Physics
A ball of mass 3kg moving at a speed of 2m/s collides into an identical ball B.
A. Calculate the final velocity of ball B, if A stayed at rest after collision.
B. What is the velocity of both balls, if they moved off together?
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Ответ:
I would think 5 but i am not for sure