Posted by rolando on Tuesday, October 25, 2011 at 11:01pm.
an autographed baseball rolls off of a .70m high desk and strikes the floor .25m away from the base of the desk. How fast was it rolling?

Science  Steve, Wednesday, October 26, 2011 at 1:14pm
Find out how long it takes to fall .7m
.7 = 4.9t^2
Now, with that t, and knowing that the horizontal velocity is constant,
.25 = vt
v = .25/t = .25/√(.7/4.9)
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