Find what the speed of the spacecraft

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Reference no: EM13686223

A spacecraft with circular (north and south sides) of diameter 325 meter passes Earth moving eastward (in relation to you), at the speed of an electron whose kinetic energy is eleven times its rest energy.

(A) Find the speed of the spacecraft in units of c, the speed of light in vacuum?

(B) Find the dimensions of the circular faces according to the earthbound observer?

(C) According to this earthbound observer, find what is lifetime of a copper-64 nucleus on the captain's worktable, in the spacecraft if a copper-64 nucleus at rest has a lifetime of 12.7 h?

Reference no: EM13686223

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