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A ball of mass 0.15kg dropped from a height of 1.25m rebounds back up to 0.96m. what impulse was given to the ball by the floor?
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- Randy PLv 75 years ago
Impulse = change in momentum.
Figure out what the mv was when it hit the floor.
Figure out what the mv was when it left the floor.
(Note: they are in opposite directions, so one is negative).
The difference between them is the change in mv. That's the impulse.
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