Khan/khan-exercises — Issue #14597: Kinematic equations - Wrong Formula Used.
Author: KhanBugz
Created: 2012-02-24 17:59:45+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

The formula in step one of the solution should have a positive sign in front of the 1/2 at^2 term. If the term is meant to be subtracted then the value for acceleration would be negative.

[kinematic_equations.html?seed=143&problem=accelerated](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/kinematic_equations.html?seed=143&problem=accelerated&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/kinematic_equations.html?seed=143&problem=accelerated&debug&activity=%5B%5D)

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