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  1. 10-26-2009, 04:21 PM #1
    asdasdasdasd
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    A place kicker must kick a football from a point 35 m (about 38 yd) from the goal, and..

    ...the ball must clear the? A place kicker must kick a football from a
    point 35 m (about 38 yd) from the goal, and
    the ball must clear the crossbar, which is
    3.05 m high. When kicked, the ball leaves the
    ground with a speed of 26 m/s at an angle of
    49â—¦ to the horizontal.
    The acceleration of gravity is 9.8 m/s2 .
    By how much does the ball clear or fall
    short of clearing the crossbar?
    Answer in units of m.
    To determine if the ball approaches the cross-
    bar while still rising or while falling, what is
    its vertical velocity at the crossbar?
    Answer in units of m/s.
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  2. 10-26-2009, 04:21 PM #2
    railroad dave
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    the shape of a football is called an obtuse spheroid . you didn't include it's drag coefficient .
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  3. 10-26-2009, 04:21 PM #3
    railroad dave
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    the shape of a football is called an obtuse spheroid . you didn't include it's drag coefficient .
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  4. 10-26-2009, 04:21 PM #4
    gregory m
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    I would just watch the replay...Much easier.
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