cse • paper_1 • mechanics
[UPSC CSE 2005] Special Theory of Relativity (Q388, 20M)
- (a) Show that the length L of an object moving with a velocity v is given in the direction of motion by L = L_0 \left(1 - \frac{v^2}{c^2}\right)^{1/2} where L_0 is the proper length and c is the velocity of light in free space. What will be the shape of a spherical ball while moving under relativistic regime ?
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