A starship blasts past the earth at 2.0 10 8 m / s . Just after passing the eart

Question

A starship blasts past the earth at 2.0108m/s. Just after passing the earth, it fires a laser beam out the back of the starship.
With what speed does the laser beam approach the earth? Express your answer to two significant figures and include the appropriate units. A starship blasts past the earth at 2.0108m/s. Just after passing the earth, it fires a laser beam out the back of the starship.
With what speed does the laser beam approach the earth? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

The speed of light does not change with the speed of the source

So the movement of the starship makes no difference.

The laser will travel at the speed of light = 3 * 10 ^8 m/s

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