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April 17, 2014

Homework Help: physics

Posted by josh on Thursday, October 1, 2009 at 5:06pm.

What average force in N is required to stop an 1,188 kg car in 9 s if it is initially traveling at 89 km/h?

f=ma
f=1,188(9.8)
f=11642.4N

This looks wrong to me. Can someone explain this to me.

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