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October 22, 2014

October 22, 2014

Posted by **PHY** on Monday, October 17, 2011 at 9:37am.

when does the second car overtake the first car?

how far have the cars traveled when this happens?

- PHYSICS -
**Henry**, Tuesday, October 18, 2011 at 12:05pmWhen car #2 catches up, their distance from starting point will be equal:

1. d1 = d2,

30t = 55(t-0.45),

30t = 55t - 24.75,

55t - 30t = 24.75,

25t = 24.75,

t = 0.99s.

2. d = V*t = 30 * 0.99 = 29.7m.

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