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A ball is projected upward at time t = 0.0 s from a point on a roof 90 m above the ground. The ball rises, then falls and strikes the ground. The initial velocity of the ball is The velocity of the ball
asked
Feb 26, 2017
Physics
high-school
1
answer
1
vote
204k
views
44 is 22% of what number
asked
Jul 27, 2016
Mathematics
high-school
2
answers
4
votes
51.7k
views
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