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03-19-2008, 10:23 AM
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| please answering this is a physics question?
a billiard ball roll from rest down an 8m long smooth ramp. its acceleration is 2m/s^. 1. what is the speed of the ball half way down the ramp? 2. what is its speed at the bottom of the ramp? 3. how long does the ball take to roll the first 4m? 4. how long does it take to roll the final 4m?      |
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