Question
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?
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?