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0 Introduction

# 0 Introduction - If we knew what we were doing it wouldn't...

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If we knew what we were doing, it wouldn't be called research, would it? -- Albert Einstein

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Genius is 99 percent perspiration and 1 percent inspiration. -- Thomas Edison

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Kinematics Problem: A placekicker must kick a football from a point 36.0 m from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m 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. By how much does the ball clear or fall short of clearing the crossbar?
Kinematics Problem: A placekicker must kick a football from a point 36.0 m from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m 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. By how much does the ball clear or fall short of clearing the crossbar?

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Kinematics Problem: A placekicker must kick a football from a point 36.0 m from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m 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. By how much does the ball clear or fall short of clearing the crossbar?
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