A football kicker is attempting a field goal from out. The ball is kicked and just clears the lower bar with a time of flight of 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
Question 2
A child pulls on a wagon with a force of 75N. If the wagon moves a total of in what is the average power delivered by the child?
A) 17 W
B) 21 W
C) 22 W
D) 26 W