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October 21, 2014

October 21, 2014

Posted by **Anonymous** on Thursday, March 8, 2012 at 8:23pm.

- Physics -
**bobpursley**, Thursday, March 8, 2012 at 9:05pmacceleartion= (40-20)/60 min

d= vi*t+1/2 at

140=20*t+1/2(20/60)t^2 solve for t, in minutes.

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