A Football Kicker Is Attempting a Field Goal From $44 \mathrm {~m}$

question 80

Multiple Choice

A football kicker is attempting a field goal from $44 \mathrm {~m}$ out. The ball is kicked and just clears the lower bar with a time of flight of $2.9 \mathrm {~s}$ If the angle of the kick was 45°, what was the initial speed of the ball, assuming no air resistance?

• A) 21.5 m/s
• B) 19.7 m/s
• C) 2.2 m/s
• D) 39 m/s

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