Physics, 21.08.2019 22:10 alex7881

An alien is zipping toward the earth in its shiny new space vehicle. as you watch it approach from the surface of the earth, you measure the speed of the space vehicle to be 0.75c. since this alien is of the friendly type and wants you to know it has come in peace, the alien sends a message to you using radio wave frequencies in the electromagnetic spectrum.
1. if both you and the alien were to measure the speed at which this message is traveling through space, what would each of you conclude?
a) you measure the message to be traveling at 1.75 c and the alien measures it to be traveling at 0.25 c
b) you measure the message to be traveling at 1.75 c and the alien measures it to be traveling at c
c) you both measure the message to be traveling at c.
a is not the correct answ

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