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December 22, 2014

December 22, 2014

Posted by **Coco** on Sunday, February 12, 2012 at 1:48am.

a)How much time will it take for the second car to catch up with the first car?

b)How far from the post are the cars when they meet.

- Physics -
**drwls**, Sunday, February 12, 2012 at 5:51ama) X1 = 25 t (t>0s)

X2 = 40(t-2) (t>2s)

Set X1 = X2 and solve for t.

25t = 40t -80

15t = 80

t = ____

b) Use the t from (a) and either X equation.

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