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Pitch Physics to Your Students: Using PITCHf/x Data from Major League Basbeball - page 17 / 30

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An Example

Problem 2: Find the components of the final velocity of the pitch when it reaches the front of home plate (y=1.417ft).

Since we know the initial and final y-values we can get the y-component of the velocity using the kinematic equation,

xo = 1.664ft

yo = 50.00ft

zo = 6.597ft

vxo = -6.791ft/s

vyo = -123.055ft/s

vzo = -5.721ft/s

ax = 13.233ft/s2

ay = 25.802ft/s2

az = -17.540ft/s2

vx = ?

vy = -112.408ft/s

vz = ?

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