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23 Nov 2019
1) A placekicker must kick a football from a point 36.0 meters (about 40 yards) from the goal. The crossbar of the goal is 3.05 meters high. When kicked, the ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0° to the horizontal. A) By how much does the ball clear or fall short of the crossbar? B) Does the ball approach the crossbar while still rising or while falling? C) How much time elapses from the kick until the ball passes the plane of the crossbar?
1) A placekicker must kick a football from a point 36.0 meters (about 40 yards) from the goal. The crossbar of the goal is 3.05 meters high. When kicked, the ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0° to the horizontal. A) By how much does the ball clear or fall short of the crossbar? B) Does the ball approach the crossbar while still rising or while falling? C) How much time elapses from the kick until the ball passes the plane of the crossbar?
Lelia LubowitzLv2
11 Apr 2019
