Khan/khan-exercises — Issue #14353: Kinematic equations - incorrect rounding
Author: KhanBugz
Created: 2012-02-21 22:26:59+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

In the exercise kinematic equations, the programme rounded -1500.352 to -1500.3, which is not a huge deal but this exercise is frustrating enough with all its difficulties. The equation was
d=(18.2m/s)(13.6^s)+12(−18.9m/s^2)(13.6s)^2

d=−1500.3m

[kinematic_equations.html?seed=145&problem=accelerated](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/kinematic_equations.html?seed=145&problem=accelerated&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/kinematic_equations.html?seed=145&problem=accelerated&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5C%22-1500.4%5C%22%2C%5C%22m%5C%22%5D%5D%22%2C58%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%5D)

[[["-1500.4","m"]]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

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