A soccer player is practicing their kick on a field. Initially at rest, an 0.8 kilogram...
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A soccer player is practicing their kick on a field. Initially at rest, an 0.8 kilogram ball is kicked directly toward a fence from a distance 25 meters away, as shown above. The ball's velocity as it leaves the kicker's foot is 19 m/s at an angle of 30 degrees above the horizontal. The top of the fence field is 2.5 meters high. The kicker's foot is in contact with the ball for 0.05 seconds. While in flight, the ball doesn't hit any other object, and air resistance i negligible. a. Determine the magnitude of the average net force exerted on the ball during the kick. Show your work. (3 points) b. Determine the time it takes for the ball to reach the plane of the fence. Show your work. (5 points) c. Determine whether the ball will hit the fence. If it will, how high up the fence will it hit? If not, how far above the fence will it reach? Briefly justify your response. (5 points) d. Draw a free-body diagram depicting the forces and their magnitude acting on the ball while it's in the air. Write your name and today's date in the upper right corner. Scan or take a picture of your sketch and attach it to this item. (2 points) Sin 30° = 0.50 Cos 30º = 0.86 Tan 30º = 0.58 130 25 m Plane of Fence Fence- 2.5 m A soccer player is practicing their kick on a field. Initially at rest, an 0.8 kilogram ball is kicked directly toward a fence from a distance 25 meters away, as shown above. The ball's velocity as it leaves the kicker's foot is 19 m/s at an angle of 30 degrees above the horizontal. The top of the fence field is 2.5 meters high. The kicker's foot is in contact with the ball for 0.05 seconds. While in flight, the ball doesn't hit any other object, and air resistance i negligible. a. Determine the magnitude of the average net force exerted on the ball during the kick. Show your work. (3 points) b. Determine the time it takes for the ball to reach the plane of the fence. Show your work. (5 points) c. Determine whether the ball will hit the fence. If it will, how high up the fence will it hit? If not, how far above the fence will it reach? Briefly justify your response. (5 points) d. Draw a free-body diagram depicting the forces and their magnitude acting on the ball while it's in the air. Write your name and today's date in the upper right corner. Scan or take a picture of your sketch and attach it to this item. (2 points) Sin 30° = 0.50 Cos 30º = 0.86 Tan 30º = 0.58 130 25 m Plane of Fence Fence- 2.5 m
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Related Book For
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Posted Date:
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