Science
posted by rolando .
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
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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