Homework Help: Physics/ Science

Posted by Ryan Jude on Sunday, September 5, 2010 at 4:29am.

Cars A and B, each moving at 70 km/h, are approaching one another on a straight highway. After how many seconds will they meet if they were initially 1 km apart?

Physics/ Science - drwls, Sunday, September 5, 2010 at 5:00am
The distance between the cars diminishes at a rate of 140 km/h. If the initial separation distance is 1 km, the time to meet is 1/140 hour, or 25.7 seconds

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