Asked by Matthew

An autographed baseball rolls off of a 8.9 m high desk and strikes the floor 3.0 m away from the base of the desk. How fast was it rolling? Use g = -10m/s2.

Answered by henry2,
h = 0.5*g*T^2 = 8.9,
5T^2 = 8.9,
T = 1.33 s.

Vx * T = 3.
Vx * 1.33 = 3,
Vx =