Thursday

May 5, 2016
Posted by **Mariah** on Friday, January 31, 2014 at 6:12pm.

- physics -
**Damon**, Friday, January 31, 2014 at 7:51pm8.6 = 4.9 t^2

t = 1.32 seconds to fall 8.6 meters

v = g t = 9.81*1.32 = 13 m/s

so

speed = sqrt (169 + 1.3*2) =sqrt(169+1.69)

=13.06 m/s