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The kicker on a football team can give the ball an initial speed of 25 m/s. Within what angular range must he kick the ball if he is to just score a field goal from a point 50 m in front of the goalposts whose horizontal bar is 3.44 m above the ground?

The kicker on a football team can give the ball an initial speed of 25 m/s. Within what angular range must he kick the ball if he is to just score a field goal from a point 50 m in front of the goalposts whose horizontal bar is 3.44 m above the ground?

Grade:10

1 Answers

Kevin Nash
askIITians Faculty 332 Points
6 years ago
234-1747_1.JPG
The solution to the quadratic equation is given as:

234-1086_1.JPG
Round off to two significant figures,
θ = 63°
The second solution is:
234-695_1.JPG

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