With what speed does the laser beam approach the earth

Reference no: EM13500594

A starship blasts past the earth at 2.0\times 10^8\;{\rm{ {\rm m}/{\rm s}}}. Just after passing the earth, the starship fires a laser beam out its back of the starship.

With what speed does the laser beam approach the earth?

Reference no: EM13500594

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