Let the rods be AB and A'B' and have the same rest length of l0. Let the relative velocity of A'B' as seen from AB be v. As seen from AB, thus, the rod A'B' appears to have contracted in length and has a length equal to

. Hence, to someone on AB, it will appear as though the rod A'B' has to travel a distance of between the events when its right and left ends meet. Since, the corresponding time interval is , we have,

## Saturday, November 14, 2009

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## 2 comments:

sir your solutions are extremely well. i am an aspirant and would like to know your schedule during your days

sir your solutions are extremely sufficient.Iam an aspirant and want to know your schedule for IIT JEE preparation in your next writeup

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