Optics, physics, Basic Statistics

A thief is running away in his car with a velocity of 20m/s.A police jeep is following him which is sighted by the thief in his rearview mirror, a convex mirror of focal length 10m.He observes that the jeep is moving towards him with a speed of 1cm/s.If the magnification of the mirror for the jeep at that time is 1/10. Find:

1. actual speed of the jeep

2. rate at which magnification is changing
Posted Date: 3/8/2012 1:18:39 AM | Location : United States







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