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Introductory Physics Homework Help
How long does it take a football to reach max height?
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[QUOTE="DeathEater, post: 5251447, member: 569111"] [h2]Homework Statement [/h2] how long does it take a football, with an initial velocity of 30 m/s at 30 degrees up from the horizontal, to reach the top of its flight? [h2]Homework Equations[/h2] Δy= ½ (Vf + Vo) t [h2]The Attempt at a Solution[/h2] I know that Vf= 0 m/s here because when it reaches the highest point, it stops for a split second. I also know that the horizontal component is 30sin(30), which equals 15. I then plugged it into the equation above to get 15= ½ (0+30)t → 15= 15t → t= 1 second. Is this process correct? [/QUOTE]
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How long does it take a football to reach max height?
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