PRACTICE IT Use the worked example above to help you solve this problem. A ball is...
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PRACTICE IT Use the worked example above to help you solve this problem. A ball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 52.7 m above the ground. The ball just misses the edge of the roof on its way down, as shown in the figure. (a) Determine the time needed for the ball to reach its maximum height. (b) Determine the maximum height. m (c) Determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. Time S Velocity m/s (d) Determine the time needed for the ball to reach the ground. S (e) Determine the velocity and position of the ball at r = 5.27 s. Velocity m/s Position m PRACTICE IT Use the worked example above to help you solve this problem. A ball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 52.7 m above the ground. The ball just misses the edge of the roof on its way down, as shown in the figure. (a) Determine the time needed for the ball to reach its maximum height. (b) Determine the maximum height. m (c) Determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. Time S Velocity m/s (d) Determine the time needed for the ball to reach the ground. S (e) Determine the velocity and position of the ball at r = 5.27 s. Velocity m/s Position m
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6 O Given Initial velocity 4 219 ms Angle of projection 90 Height of the building ... View the full answer
Related Book For
Principles Of Managerial Finance
ISBN: 978-0136119463
13th Edition
Authors: Lawrence J. Gitman, Chad J. Zutter
Posted Date:
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