physics

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The speed of a basketball as it is dribbled is the same when the ball os going toward tthe floor as it is when the ball rises from the floor. A. Is the basketball's change in momentum equal to zero when it hits the floor? B. If not, in which direction is the change in momentum. Draw its momentum vectors before and after it hits the floor.

  • physics -

    Momentum= m(Vf-Vi). which way is Vf+ -Vi?

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