document.write( "Question 481435: a ball in thrown vertically up with a velocity of 10m/s.
\n" ); document.write( "A.determine the time it takes for the ball to reach the maximum height.
\n" ); document.write( "B. the speed by which the ball will fall back to the point from where it was thrown.
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Algebra.Com's Answer #329676 by Alan3354(69443)\"\" \"About 
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a ball in thrown vertically up with a velocity of 10m/s.
\n" ); document.write( "A.determine the time it takes for the ball to reach the maximum height.
\n" ); document.write( "h(t) = -4.9t^2 + 10t
\n" ); document.write( "Find the vertex, at t = -b/2a
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\n" ); document.write( "B. the speed by which the ball will fall back to the point from where it was thrown.
\n" ); document.write( "It's the same, 10 m/sec\r
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