You are out in space with an extremely precise timing device, measuring the spee

Question

You are out in space with an extremely precise timing device, measuring the speed of various fast-moving objects. A laser gun is mounted on as you at a speed of 100 million m/s, the laser shines a beam of light toward you. hip and aimed backward. As the spaceship flies away from Determine the speed that would be measured in each of the cases listed below The speed of the laser gun measured in the spaceship reference frame. The speed of the laser gun as measured in your reference frame The speed of the laser light measured in the spaceship reference frame The speed of the laser light as measured in your reference frame zero 50 million mis 100 million m/s zero 300 million m/s 150 million m's 250 million m/s 200 million m/s 400 million m's zero 100 million m/s

Explanation / Answer

The speed of the gun in the SPACESHIP reference frame is zero because it is mounted on the spaceship.

The speed of the gun in YOUR reference frame is equal to that of the spaceship so 100 million.

The speed of light is constant for both cases so that is equal to 300 Million no matter what reference frame.

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