A spaceship of triangular shape, having a length twice itswidth, is capable of r

Question

A spaceship of triangular shape, having a length twice itswidth, is capable of relativistic speeds. How fast would it have tomove so that to a stationary observer its length would equal itswidth? a. 0.500c b. 0.750 c c.0.866 d. not possible b. at what speed must an object be moving in order that it hasa kinetic energy 1.50 times its rest energy? c= 3.00 x10^8m/s) a. 1.91e-12m b.2.52e8 c.2.75e8m/s d. 2.90e8 m/s A spaceship of triangular shape, having a length twice itswidth, is capable of relativistic speeds. How fast would it have tomove so that to a stationary observer its length would equal itswidth? a. 0.500c b. 0.750 c c.0.866 d. not possible b. at what speed must an object be moving in order that it hasa kinetic energy 1.50 times its rest energy? c= 3.00 x10^8m/s) a. 1.91e-12m b.2.52e8 c.2.75e8m/s d. 2.90e8 m/s

Explanation / Answer

Given Proper length L = 2 W

Where W = width

Relativistic length L ‘ = W

We know L ‘ = L [ 1-(v/c) ^ 2]

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