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kaiya2022547
03.02.2020 •
Physics
Two balls are dropped from a height of 6m. ball a bounces back up to a height of 4m whereas ball b bounces back up to 2m. which ball experiences the larger impulse during its collision with the floor?
(a) ball a
(b) ball b
(c) both experiences the same impulse.
(d) its impossible to tell without knowing the masses of the balls.
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Ответ:
I'd say c was out because if the masses are different, then their changes of momentum will be different. That implies different impulses of forces.
I'm still thinking about this question. Either I'm missing something, or it's a bit more subtle than it looks.
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