Homework Help: Science

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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