Posted by Skylar on Sunday, November 18, 2012 at 9:58pm.
initial speed: 2 m/s
a: -9.8 m/s^2
s: -2.5 m
final speed: ?
Vf^2 - Vi^2 = 2as
v^2 - 2^2 = 2•-9.8•-2.5
v^2-4 = 49
v^2 = 53
final speed is approx. 7.28
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