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B18
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Homework Statement
An arrow is shot straight up in the air with an initial speed of 220 ft/s. If on striking the ground it embeds itself 8.00 in into the ground, find the magnitude of the acceleration (assumed constant) required to stop the arrow, in units of feet/second^2.
Homework Equations
4 basic kinematic equations.
The Attempt at a Solution
Does anyone see where I went wrong in my work?