Physics: ball rolls off

label Physics
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Feb 25th, 2015

The ball falls at 9.8m/s^2

Because the ball has an initial fall velocity of 0 we can say the ball fell 1.6m at 9.8m/s^2.

We need to find how long it took the ball to fall.

1.6m = 1/2(9.8)t^2

0.57 = t

Now we need to see how fast the ball was moving horizontally when it fell off the table.

it made it 20 meters before it hit the ground so,

20m = v(.57s)

v is the velocity

divide both sides by .57s

35.09m/s = v

Feb 25th, 2015

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Feb 25th, 2015
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Feb 25th, 2015
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