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December 19, 2014

December 19, 2014

Posted by **John** on Tuesday, January 3, 2012 at 9:48am.

- physics -
**Damon**, Tuesday, January 3, 2012 at 9:54am100 m/s I assume you mean

thus vi = initial speed up = 100 sin 60

v = vi - 9.8 t

at top v = 0

so at top

9.8 t = 100 sin 60

solve for t, time to top

total time is twice that by symmetry

h = vi t - 4.9 t^2

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