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UrbanXrisis
Sep21-04, 08:17 PM
Sue is driving at 30m/s, she observes a slow moving van 155m ahead traveling at 5m/s. If Sue applies her breaks and accelerates at -2.00m/s^2 will there be a collision?

How should I start to tackle this question?

Pyrrhus
Sep21-04, 08:35 PM
Check this thread:
http://www.physicsforums.com/showthread.php?t=43391