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25 July, 17:35

When a 1 kg ball is dropped from the roof of a building its speed increases from 0 m/s to 10 m/s just before it hits the ground. What is the ball's change in Kinetic Energy at its maximum (fastest) speed?

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  1. 25 July, 17:37
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    30m/s It is at its maximum speed
  2. 25 July, 17:43
    0
    30 kinetic energy is the answer.
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