Autographed Floor
if ur good at physics, can u help me please?
were doing projectiles launched horizontally. and the question is...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? if u can help that would be great.?
You use y=VoT+aT2
You know that initial velocity is 0 so the fist term can be canceled and y=70. Than you just solve for T and divide 0.25 by T. a is acceration of gravity, 32.2 ft/(s^2) or (9.8 meters/second-squared)
T = √(2y/a) The T will be in seconds
velocity = 0.25/T The velocity will be meters per seconds
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