3.3 Projectile Motion Example #2 Drop in height of a ball thrown by a pitcher

Chad works through an example of Projectile Motion in Two Dimensions involving the drop in height of a baseball thrown by a pitcher.
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[@sweetiee17x3]

Not sure if you'll see this, but at 3:08 you say the initial velocity is 0. why is that? if you throw the ball at 40m/s, then shouldn't initial velocity be counted?

[@danielle4584]

i think it is because the problem states that the ball was thrown 40 m/s horizontally, so he put 0 because he is calculating for v average in the y direction not x the x direction. Hope this helps :)

[@fathesyed8628]

why is it horizontal motion responsible for the ball to come down in this situation 1:47

[@fatbunss]

because there's the catcher there to stop the ball before gravity has a chance to stop it

[@fathesyed8628]

@@fatbunss thank you