1A copy of Irodov sum.... :-) nice one >>>
A cat starts from a point A and heads straight for a point P with a constant speed v, while at the same instant a dog starts running after after the cat with a constant speed u from a point B such that his velocity is always directed towards the cat then then the radius of curvature of dog's trajectory at initial moment is
a) 2uL/v
b)vl/u
c)ul/2v
d)ul/v
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3 Answers
62[url=http://targetiit.com/iit-jee-forum/posts/kaymant-sir-s-question-relative-motion-3773.html]Ship behind another..[/url]