23. A ball is projected upward at time t = 0.0 s, from a point on a roof 70 m a

Physics
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23. A ball is projected upward at time t = 0.0 s, from a point on a roof 70 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is 84.9m/s What is the velocity of the ball when it is 29 m above the ground?
May 18th, 2015

1431921747774-1192125009.jpg here is your solution 

May 18th, 2015

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May 18th, 2015
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May 18th, 2015
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