physics

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A soccer player stops a ball that is moving across a field. Her foot is in contact with the ball for 0.3 s, during which time the ball's average acceleration is 12 m/s2. What was the ball's initial velocity?

  • physics -

    V/t = acceleration
    V = 12 ms^-2 * 0.3 s = 3.6 m/s

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