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December 21, 2014

December 21, 2014

Posted by **Melody** on Saturday, October 24, 2009 at 8:34pm.

[so for this one, i need to know the mass and acceleration. i used the at+v0 =v equation and the distance=.5at^2+v0t equation to solve for t which i got as 64.5 seconds. and then I plugged that into the at+v0 =v to get acceleration of -.4805=a anddd now i dont know what to do. please let me know if the prev. steps were correct!] thank you

- i meant PHYSICS. -
**Melody**, Saturday, October 24, 2009 at 8:34pmsubject = physics

- MELODY -
**bobpursley**, Saturday, October 24, 2009 at 8:54pmVf^2=Vi^2 -2ad but a=force/mass

Vf=0 Vi=31 solve for force

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