If a football is kicked at an angle of 45 degrees, determine its minimal initial velocity for it to reach point C, so the field goal is deemed good. At which distance s from the post will the ball hit the ground at B?
If a football is kicked at an angle of 45 degrees, determine its minimal initial velocity for it to reach point C, so the field goal is deemed good. At which distance s from the post will the ball hit the ground at B?
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Transcribed Image Text:If a football is kicked at an angle of 45 degrees,
determine its minimal initial velocity for it to reach
point C, so the field goal is deemed good. At which
distance s from the post will the ball hit the ground
at B?
Solution:
VA = 76.7 ft/s
S = 22.9 ft
A
745-
160 ft
20 ft
B
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