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January 27, 2015

January 27, 2015

Posted by **leonard** on Wednesday, May 14, 2014 at 1:09am.

- route surveying -
**MathMate**, Wednesday, May 14, 2014 at 6:40am1 mph = 5280*.3048/3600=0.44704 m/s

vi=50*.44704=22.352 m/s

vf=0

a=-10 m/s²

use kinematics equation

vf²=vi²+2aΔx

to solve for Δx.

Subtract Δx from 80m to get the distance from the wall.

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