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October 21, 2014

October 21, 2014

Posted by **ellah** on Monday, January 9, 2012 at 5:20pm.

- physics -
**Damon**, Monday, January 9, 2012 at 5:54pmhorizontal velocity remains constant throughout the flight. There is no horizontal force or acceleration. So 250 m/s at top and at ground

Now the vertical problem, which is simply falling from 100 meters

-100 = 0 + 0 t - 4.9 t^2

t = 4.52 seconds to fall

v

down speed at ground = -9.8 t = -44.3 m/s

so speed at ground is 250 horizontal and - 44.3 vertical. You do the trig

It moves 100 meters down and 250*4.52 meters horizontal.

again you do the trig

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