Kira flies her spaceship at 0.8 c, trying to catch up to her sister aja, who's spaceship is traveling at 0.5 c in the same direction. kira shines a laser towards aja's ship to signal her imminent arrival. what is the speed of the laser light as measured by aja? g

1.0c

Explanation:

The speed of the laser light will be  equal to the speed of light as measured by the Aja because the speed of the light remains constant with respect to any frame of reference. Thus, relative speed of the light will be same if kira and Aja are moving with different velocities.

Hence, the answer will be the speed of light measured by Aja is 1.0c

diagram is missing, but i will try to explain your doubt.

answer:

amplitude is the maximum displacement or distance moved on a point of a vibrating body or wave measured from its equilibrium position.it is equal to half the length of vibration path.

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