A football kicker can give the ball an initial speed of 24, Ask an Expert

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A football kicker can give the ball an initial speed of 24 m/s. He is 54 m from the goalpost which has a crossbar 3.46 m high.

(a) What is the smallest angle of elevation that he can kick the football and score a field goal?

(b) What is the largest angle of elevation that he can kick the football and score a field goal?

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