Posted by **Antonio** on Monday, September 13, 2010 at 9:27pm.

A football kicker can give the ball an initial speed of 31 m/s. What are the (a) least and (b)

greatest elevation angles at which he can kick the ball to score a field goal from a point 49 m in

front of goalposts whose horizontal bar is 3.44 m above the ground?

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